How Does Fat Actually Leave The Body? Where Does It Go?

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Fat loss is often misunderstood, with many believing it simply “vanishes” through exercise, is simply excreted in solid form in the bathroom, or materially disappears when converted for energy. However, the principle of conservation of mass plays out here, in that the mass in fat doesn’t disappear—it changes its arrangement:

In and out

Fat is composed of carbon, hydrogen, and oxygen atoms, with an example common form of fat in the body being C55H104O6. That’s a lot of Cs and Hs, and a few Os.

When fat leaves the body, it has been primarily converted into carbon dioxide (CO2) and water (H2O).

According to a 2014 study by the University of South Wales, 84% of the mass of fat exits the body as CO2 exhaled through breathing, while 16% leaves as water through sweat, urine, and other bodily fluids (all of which contain H2O).

You’ll notice there are a lot more Os going out, proportionally, than we originally had in the C55H104O6. For this reason, the process requires oxygen intake; for every 10 kilograms of fat burned, by simple mathematics the body needs around 29 kilograms of oxygen.

Physical activity plays a crucial role in fat loss. When the body exerts itself, it naturally switches to a higher oxygen metabolism necessary for fat breakdown. This effect is amplified during intermittent fasting, which boosts human growth hormone (HGH), a hormone that aids in fat metabolism.

However, simply hyperventilating won’t work; exercise is essential to activate these processes—otherwise it’s just a case of oxygen in, oxygen out, without involving the body’s chemical energy reserves.

Consequently, one of the best diet-and-exercise combinations for fat loss is intermittent fasting with high-intensity interval training.

And, as for what to eat, this video says raw vegan, but honestly, that’s not scientific consensus. However, a diet rich in unprocessed (or minimally processed) fruits and vegetables definitely is where it’s at, with the plant-heavy Mediterranean diet generally scoring highest—which can be further improved by skipping the mammals to make it pesco-Mediterranean. Current scientific consensus does not give any extra benefits for also omitting moderate consumption of fish and fermented dairy products, so include those if you want, or skip those if you prefer.

For more on all of this, enjoy:

Click Here If The Embedded Video Doesn’t Load Automatically!

Want to learn more?

You might also like to read:

Are You A Calorie-Burning Machine? (Calorie Mythbusting)

Take care!

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  • What to Know About Stillbirths

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    Series: Stillbirths:When Babies Die Before Taking Their First Breath

    The U.S. has not prioritized stillbirth prevention, and American parents are losing babies even as other countries make larger strides to reduce deaths late in pregnancy.

    Every year, more than 20,000 pregnancies in the U.S. end in a stillbirth, the death of an expected child at 20 weeks or more of pregnancy. Research shows as many as 1 in 4 stillbirths may be preventable. We interviewed dozens of parents of stillborn children who said their health care providers did not tell them about risk factors or explain what to watch for while pregnant. They said they felt blindsided by what followed. They did not have the information needed to make critical decisions about what happened with their baby’s body, about what additional testing could have been done to help determine what caused the stillbirth, or about how to navigate the process of requesting important stillbirth documents.

    This guide is meant to help fill the void of information on stillbirths. It’s based on more than 150 conversations with parents, health care providers, researchers and other medical experts.

    Whether you’re trying to better prepare for a pregnancy or grieving a loss, we hope this will help you and your family. This guide does not provide medical advice. We encourage you to seek out other reliable resources and consult with providers you trust.

    We welcome your thoughts and questions at mailto:stillbirth@propublica.org. You can share your experience with stillbirth with us. If you are a health care provider interested in distributing this guide, let us know if we can help.

    Table of contents:

    What Is Stillbirth?

    Many people told us that the first time they heard the term stillbirth was after they delivered their stillborn baby. In many cases, the lack of information and awareness beforehand contributed to their heartache and guilt afterward.

    Stillbirth is defined in the U.S. as the death of a baby in the womb at 20 weeks or more of pregnancy. Depending on when it happens, stillbirth is considered:

    • Early: 20-27 weeks of pregnancy.
    • Late: 28-36 weeks of pregnancy.
    • Term: 37 or more weeks of pregnancy.

    About half of all stillbirths in the U.S. occur at 28 weeks or later.

    What is the difference between a stillbirth and a miscarriage?

    Both terms describe pregnancy loss. The distinction is when the loss occurs. A miscarriage is typically defined as a loss before the 20th week of pregnancy, while stillbirth is after that point.

    How common is stillbirth?

    Each year, about 1 in 175 deliveries in the U.S. are stillbirths — that’s about 60 stillborn babies every day — making it one of the most common adverse pregnancy outcomes, but it is rarely discussed.

    If you are surprised by that fact, you are not alone. Many people we spoke to did not know how common stillbirths are. Leandria Lee of Texas said she spent her 2021 pregnancy unaware that her daughter, Zuri Armoni, could die in the last phase of her pregnancy.

    “If I was prepared to know that something could happen, I don’t think it would have been as bad. But to not know and then it happens, it affects you,” she said of her stillbirth at 35 weeks.

    Some doctors have told us they don’t introduce the possibility of a stillbirth because they don’t want to create additional anxiety for patients.

    Other doctors say withholding information leaves patients unprepared.

    “We have this idea that we can’t scare the patient, which to me is very paternalistic,” said Dr. Heather Florescue, an OB-GYN near Rochester, New York, who works to inform doctors and patients about stillbirth prevention.

    What causes stillbirths?

    There is a lot we don’t know about stillbirths because there hasn’t been enough research. The cause of the stillbirth is unknown in about 1 in 3 cases.

    What we do know is that a number of factors may cause or increase the risk of a stillbirth, including:

    • The baby not growing as expected.
    • Placental abnormalities or problems with the umbilical cord.
    • Genetic or structural disorders that cause developmental issues.
    • High blood pressure before pregnancy or preeclampsia, a potentially fatal complication that usually appears late in pregnancy and causes high blood pressure.
    • Diabetes before or during pregnancy.
    • An infection in the fetus, the placenta or the pregnant person.
    • Smoking.
    • Being 35 or older.
    • Obesity.
    • Being pregnant with more than one baby.

    But not all doctors, hospitals or health departments perform tests to identify the potential cause of a stillbirth or determine if it could have been prevented. Even when a cause is identified, fetal death records are rarely updated. This means data is sometimes inaccurate. Researchers strongly encourage doctors to perform a stillbirth evaluation, which includes an examination of the placenta and umbilical cord, a fetal autopsy and genetic testing.

    If your hospital or doctor does not proactively offer one or more of these exams, you can ask them to conduct the tests. Research shows that placental exams may help establish a cause of death or exclude a suspected one in about 65% of stillbirths, while autopsies were similarly useful in more than 40% of cases.

    Are Stillbirths Preventable?

    Not all stillbirths are preventable, but some are. For pregnancies that last 37 weeks or more, one study found that nearly half of stillbirths are potentially preventable.

    Dr. Joanne Stone, who last year was president of the Society of Maternal-Fetal Medicine, leads the country’s first Rainbow Clinic at Mount Sinai Hospital in New York. The clinic is modeled on similar facilities in the United Kingdom that care for people who want to conceive again after a stillbirth. She said many doctors used to think there was nothing they could do to prevent stillbirth.

    “People just looked at it like, ‘Oh, it was an accident, couldn’t have been prevented,’” said Stone, who also is the system chair of the obstetrics, gynecology and reproductive science department at the Icahn School of Medicine. “But we know now there are things that we can do to try to prevent that from happening.”

    She said doctors can:

    • More closely monitor patients with certain risk factors, like high blood pressure, diabetes or obesity.
    • Ask about prior infant loss or other obstetrical trauma.
    • Carefully assess whether a baby’s growth is normal.
    • Work to diagnose genetic anomalies.
    • Teach patients how to track their baby’s movements and encourage them to speak up if they notice activity has slowed or stopped.
    • Deliver at or before 39 weeks if there are concerns.

    What are the risks of stillbirth over the course of a pregnancy?

    The risk of a stillbirth increases significantly toward the end of pregnancy, especially after 39 weeks. The risk is higher for people who get pregnant at 35 or older. The risk begins to climb even earlier, around 36 weeks, for people pregnant with twins.

    What you and your doctor can do to reduce the risk of stillbirth.

    While federal agencies in the U.S. have yet to come up with a checklist that may help reduce the risk of stillbirth, the Stillbirth Centre of Research Excellence in Australia has adopted a Safer Baby Bundle that lists five recommendations:

    1. Stop smoking.
    2. Regularly monitor growth to reduce the risk of fetal growth restriction, when the fetus is not growing as expected.
    3. Understand the importance of acting quickly if fetal movement decreases.
    4. Sleep on your side after 28 weeks.
    5. Talk to your doctor about when to deliver. Depending on your situation, it may be before your due date.

    The American College of Obstetricians and Gynecologists has compiled a list of tests and techniques doctors can use to try to reduce the risk of a stillbirth. They include:

    • A risk assessment to identify prenatal needs.
    • A nonstresstest, which checks the fetus’s heart rate and how it changes as the fetus moves.
    • A biophysical profile, which is done with an ultrasound to measure body movement, muscle tone and breathing, along with amniotic fluid volume.

    The group stressed that there is no test that can guarantee a stillbirth won’t happen and that individual circumstances should determine what tests are run.

    Are some people at higher risk for stillbirth?

    Black women are more than twice as likely to have a stillbirth as white women. There are a number of possible explanations for that disparity, including institutional bias and structural racism, and a patient’s pre-pregnancy health, socioeconomic status and access to health care. In addition, research shows that Black women are more likely than white women to experience multiple stressful life events while pregnant and have their concerns ignored by their health care provider. Similar racial disparities drive the country’s high rate of maternal mortality.

    How to find a provider you trust.

    Finding a doctor to care for you during your pregnancy can be a daunting process. Medical experts and parents suggest interviewing prospective providers before you decide on the right one.

    Here is a short list of questions you might want to ask a potential OB-GYN:

    • What is the best way to contact you if I have questions or concerns?
    • How do you manage inquiries after hours and on weekends? Do you see walk-ins?
    • How do you manage prenatal risk assessments?
    • What should I know about the risks of a miscarriage or stillbirth?
    • How do you decide when a patient should be induced?

    If a provider doesn’t answer your questions to your satisfaction, don’t be reluctant to move on. Dr. Ashanda Saint Jean, chair of the obstetrics and gynecology department at HealthAlliance Hospitals of the Hudson Valley in New York, said she encourages her patients to find the provider that meets their needs.

    “Seek out someone that is like-minded,” said Saint Jean “It doesn’t have to be that they’re the same ethnicity or the same race, but like-minded in terms of the goals of what that patient desires for their own health and prosperity.”

    What to know in the last trimester.

    The last trimester can be an uncomfortable and challenging time as the fetus grows and you get increasingly tired. During this critical time, your provider should talk to you about the following topics:

    • Whether you need a nonstress test to determine if the fetus is getting enough oxygen.
    • The best way to track fetal movements.
    • What to do if your baby stops moving.
    • Whether you are at risk for preeclampsia or gestational diabetes.

    Rachel Foran’s child, Eoin Francis, was stillborn at 41 weeks and two days. Foran, who lives in New York, said she believes that if her doctor had tracked her placenta, and if she had understood the importance of fetal movement, she and her husband might have decided to deliver sooner.

    She remembers that her son was “very active” until the day before he was stillborn.

    “I would have gone in earlier if someone had told me, ‘You’re doing this because the baby could die,’” she said of tracking fetal movement. “That would have been really helpful to know.”

    Researchers are looking at the best way to measure the health, blood flow and size of the placenta, but studies are still in their early stages.

    “If someone had been doing that with my son’s,” Foran said, “my son would be alive.”

    A placental exam and an autopsy showed that a small placenta contributed to Foran’s stillbirth.

    How often should you feel movement?

    Every baby and each pregnancy are different, so it is important to get to know what levels of activity are normal for you. You might feel movement around 20 weeks. You’re more likely to feel movement when you’re sitting or lying down. Paying attention to movement during the third trimester is particularly important because research shows that changes, including decreased movement or bursts of excessive activity, are associated with an increased risk of stillbirth. Most of the time, it’s nothing. But sometimes it can be a sign that your baby is in distress. If you’re worried, don’t rely on a home fetal doppler to reassure you. Reach out to your doctor.

    Saint Jean offers a tip to track movement: “I still tell patients each day to lay on their left side after dinner and record how many times their baby moves, because then that will give you an idea of what’s normal for your baby,” she said.

    Other groups recommend using the Count the Kicks app as a way of tracking fetal movements and establishing what is normal for that pregnancy. Although there is no scientific consensus that counting kicks can prevent stillbirths, the American College of Obstetricians and Gynecologists and other groups recommend that patients be aware of fetal movement patterns.

    Dr. Karen Gibbins is a maternal-fetal medicine specialist at Oregon Health & Science University who in 2018 had stillborn son named Sebastian. She said the idea that babies don’t move as much at the end of pregnancy is a dangerous myth.

    “You might hear that babies slow down at the end,” she said. “They don’t slow down. They just have a little less space. So their movements are a little different, but they should be as strong and as frequent.”

    What to Expect After a Stillbirth

    What might happen at the hospital?

    Parents are often asked to make several important decisions while they are still reeling from the shock and devastation of their loss. It’s completely understandable if you need to take some time to consider them.

    Some other things you can ask for (if medical personnel don’t offer them) are:

    • Blood work, a placental exam, an autopsy and genetic testing.
    • A social worker or counselor, bereavement resources and religious or chaplain support.
    • The option to be isolated from the labor rooms.
    • Someone to take photos of you and your baby, typically either a nurse or an outside group.
    • A small cooling cot that allows parents to spend more time with their babies after a stillbirth. If one is not available, you can ask for ice packs to put in the swaddle or the bassinet.
    • A mold of your baby’s hands and feet.
    • Information about burial or cremation services.
    • Guidance on what to do if your milk comes in.

    Getting an autopsy after a stillbirth.

    Whether to have an autopsy is a personal decision. It may not reveal a cause of death, but it might provide important information about your stillbirth and contribute to broader stillbirth research. Autopsies can be useful if you are considering another pregnancy in the future. Families also told us that an autopsy can help parents feel they did everything they could to try to understand why their baby died.

    But several families told us their health care providers didn’t provide them with the right information to help with that decision. Some aren’t trained in the advantages of conducting an autopsy after a stillbirth, or in when and how to sensitively communicate with parents about it. Some, for example, don’t explain that patients can still have an open-casket funeral or other service after an autopsy because the incisions can easily be covered by clothing. Others may not encourage an autopsy because they think they already know what caused the stillbirth or don’t believe anything could have been done to prevent it. In addition, not all hospitals have the capacity to do an autopsy, but there may be private autopsy providers that can perform one at an additional cost.

    You can read more about autopsies in our reporting.

    Paying for an autopsy after a stillbirth.

    If you decide you want an autopsy, you may wonder whether you need to pay out-of-pocket for it. Several families told us their providers gave them incomplete or incorrect information. Many larger or academic hospitals offer autopsies at no cost to patients. Some insurance companies also cover the cost of an autopsy after a stillbirth.

    When hospitals don’t provide an autopsy, they may give you names of private providers. That was the case for Rachel Foran. The hospital gave her and her husband a list of numbers to call if they wanted to pay for an autopsy themselves. The process, she said, shocked her.

    “I had just delivered and we had to figure out what to do with his body,” Foran said. “It felt totally insane that that was what we had to do and that we had to figure it out on our own.”

    An independent autopsy, records show, cost them $5,000.

    What is a certificate of stillbirth and how do I get one?

    A fetal death certificate is the official legal document that records the death. This is the document used to gather data on and track the number of stillbirths in the country. Many states also issue a certificate of stillbirth or a certificate of birth resulting in stillbirth, which acknowledge the baby’s birth. Families told us they appreciated having that document, since typical birth certificates are not issued for stillbirths. You can usually request a certificate from the vital records office.

    Grieving After a Stillbirth

    What are the effects of stillbirths on parents and families?

    Over and over, families told us the effects of losing a baby can reverberate for a lifetime.

    Bereavement support groups may help provide a space to share experiences and resources. Hospitals and birth centers may suggest a local grief group.

    We talked with Anna Calix, a maternal health expert who became active in perinatal loss prevention after her son Liam was stillborn on his due date in 2016. Calix leads grief support groups for people of color in English and Spanish.

    She suggested rededicating the time you would have spent taking care of a new baby to the grief process.

    “You can do that by addressing your own thoughts and feelings and really experiencing those feelings,” Calix said. “We like to push those feelings away or try to do something to distract and avoid, but no matter what we do, the feelings are there.”

    It’s important, she said, to give yourself permission to grow your connection with your child and work through thoughts of guilt or blame.

    What You Might Say and Do After a Loved One Experiences a Stillbirth

    Finding the right words can be difficult. The following are a few suggestions from parents who went through a stillbirth.

    Helpful:

    • Acknowledge the loss and offer condolences.
    • Ask if the baby was named and use the name.
    • Allow space for the family to talk about their baby.

    Unhelpful:

    • Avoid talking about the baby.
    • Minimize the loss or compare experiences.
    • Start statements with “at least.”

    Suggested phrases to avoid:

    • “You’re young. You can have more kids.”
    • “At least you have other children.”
    • “These things just happen.”
    • “Your baby is in a better place now.”

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  • Tofu vs Seitan – Which is Healthier?

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    Our Verdict

    When comparing tofu to seitan, we picked the tofu.

    Why?

    This one is not close!

    In terms of macros, seitan does have about 2x the protein, but it also has 6x the carbs and 6x the sodium of tofu, as well as less fiber than tofu.. So we’ll call it a tie on macros. But…

    Seitan is also much more processed than tofu, as tofu has usually just been fermented and possibly pressed (depending on kind). Seitan, in contrast, is processed gluten that has been extracted from wheat and usually had lots of things happen to it on the way (depending on kind).

    About that protein… Tofu is a complete protein, meaning it has all of the essential amino acids. Seitain, meanwhile, is lacking in lysine.

    When it comes to vitamins and minerals, again tofu easily comes out on top; tofu has 5x the calcium, similar iron, more magnesium, 2x the phosphorous, 150% of the potassium, and contains several other nutrients that seitan doesn’t, such as folate and choline.

    So, easy winning for tofu across the board on micronutrients.

    Tofu is also rich in isoflavones, antioxidant phytonutrients, while seitan has no such benefits.

    So, another win for tofu.

    There are two reasons you might choose seitan:

    • prioritizing bulk protein above all other health considerations
    • you are allergic to soy and not allergic to gluten

    If neither of those things are the case, then tofu is the healthier choice!

    Want to learn more?

    You might like to read:

    Take care!

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  • Broccoli vs Cauliflower – Which is Healthier?

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    Our Verdict

    When comparing broccoli to cauliflower, we picked the broccoli.

    Why?

    This one is quite straightforward. Superficially, they’re very similar:

    Both are great cruciferous vegetables with many health benefits to offer. Even for those keen to avoid oxalates, which cruciferous vegetables in general can be high in, these ones are quite low.

    However, if you have IBS, you might want to avoid both, for their raffinose content that may cause problems for you.

    For pretty much everyone else, unless you have a special reason why it’s not the case for you, both are a good source of abundant vitamins and minerals, and yet…

    Anything cauliflower can do, broccoli can do better!

    Broccoli contains more of the vitamins they both contain, and more of the minerals they both contain.

    Broccoli also beats cauliflower on amino acids (except lysine), and contains a lot more lutein and zeaxanthin, carotenoids important for healthy eyes and brain.

    So by all means enjoy both, but if you’re going to pick one, pick broccoli!

    Want to know more?

    Check out: Brain Food? The Eyes Have It!

    Enjoy!

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Related Posts

  • Seniors: Improve Blood Flow & Circulation In Your Legs
  • The SharpBrains Guide to Brain Fitness – by Alvaro Fernandez et al.

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    We say “et al.” in the by-line, because this one has a flock of authors, including Dr. Pascale Michelon, Dr. Sandra Bond Chapman, Dr. Elkehon Goldberg, and various others if we include the foreword, introduction, etc.

    This is relevant, because those who contributed to the meat of the book (i.e., those listed above), it makes the work a lot more scientifically reliable; one skilled science writer might make a mistake; it’s much less likely to make it through to publication when there are a bevy of doctors in the mix, each staking their reputation on the book’s content, and thus having a vested interest in checking each other’s work as well as their own.

    As for what this multidisciplinary team have to offer? The book covers such things as:

    • how the brain works (especially the possibilities of neuroplasticity), and what that means for such things as memory and attention
    • being “a coach not a patient”; i.e., being active rather than passive in one’s approach to brain health
    • the relevance of physical exercise, how much, and what kind
    • the relevance (and limitations) of diet choices for brain health
    • the relevance of such things as learning new languages and musical training
    • the relevance of social engagement, and how some (but not all) social engagement can boost cognition
    • methods for managing stress and building resilience to same (critical for maintaining a healthy brain)
    • “cross-fit for your brain”, that is to say, a multi-vector collection of tools to explore, ranging from meditation to CBT to biofeedback and more.

    The style is pop-science without being sensationalist, just communicating ideas clearly, with enough padding to feel casual, and not like a dense read. Importantly, it’s also practical and applicable too, which is something we always look for here.

    Bottom line: if you’d like to be given a good overview of what things work (and how much they can be expected to work), along with a good framework to put that knowledge into practice, then this is a great book for you.

    Click here to check out The SharpBrains Guide to Brain Fitness, and optimize your brain health and performance!

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  • What To Eat, Take, And Do Before A Workout

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    What to eat, take, and do before a workout

    We’ve previously written about how to recover quickly after a workout:

    Overdone It? How To Speed Up Recovery After Exercise

    Today we’ll look at the flipside: how to prepare for exercise.

    Pre-workout nutrition

    As per what we wrote (and referenced) above, a good dictum is “protein whenever; carbs after”. See also:

    Pre- versus post-exercise protein intake has similar effects on muscular adaptations

    It’s recommended to have a light, balanced meal a few hours before exercising, though there are nuances:

    International society of sports nutrition position stand: nutrient timing

    Hydration

    You will not perform well unless you are well-hydrated:

    Influence of Dehydration on Intermittent Sprint Performance

    However, you also don’t want to just be sloshing around when exercising because you took care to get in your two litres before hitting the gym.

    For this reason, quality can be more important than quantity, and sodium and other electrolytes can be important and useful, but will not be so for everyone in all circumstances.

    Here’s what we wrote previously about that:

    Are Electrolyte Supplements Worth It?

    Pre-workout supplements

    We previously wrote about the use of creatine specifically:

    Creatine: Very Different For Young & Old People

    Caffeine is also a surprisingly effective pre-workout supplement:

    International society of sports nutrition position stand: caffeine and exercise performance

    Depending on the rate at which you metabolize caffeine (there are genes for this), the effects will come/go earlier/later, but as a general rule of thumb, caffeine should work within about 20 minutes, and will peak in effect 1–2 hours after consumption:

    Nutrition Supplements to Stimulate Lipolysis: A Review in Relation to Endurance Exercise Capacity

    Branched Chain Amino Acids, or BCAAs, are commonly enjoyed as pre-workout supplement to help reduce creatine kinase and muscle soreness, but won’t accelerate recovery:

    The effect of branched-chain amino acid on muscle damage markers and performance following strenuous exercise: a systematic review and meta-analysis

    …but will help boost muscle-growth (or maintenance, depending on your exercise and diet) in the long run:

    Branched-Chain Amino Acid Ingestion Stimulates Muscle Myofibrillar Protein Synthesis following Resistance Exercise in Humans

    Where can I get those?

    We don’t sell them, but here’s an example product on Amazon, for your convenience 

    There are also many multi-nutrient pre-workout supplements on the market (like the secondary product offered with the BCAA above). We’d need a lot more room to go into all of those (maybe we’ll include some in our Monday Research Review editions), but meanwhile, here’s some further reading:

    The 11 Best Pre-Workout Supplements According to a Dietitian

    (it’s more of a “we ranked these commercial products” article than a science article, but it’s a good starting place for understanding about what’s on offer)

    Enjoy!

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  • What Flexible Dieting Really Means

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    When Flexibility Is The Dish Of The Day

    This is Alan Aragon. Notwithstanding not being a “Dr. Alan Aragon”, he’s a research scientist with dozens of peer-reviewed nutrition science papers to his name, as well as being a personal trainer and fitness educator. Most importantly, he’s an ardent champion of making people’s pursuit of health and fitness more evidence-based.

    We’ll be sharing some insights from a book of his that we haven’t reviewed yet, but we will link it at the bottom of today’s article in any case.

    What does he want us to know?

    First, get out of the 80s and into the 90s

    In the world of popular dieting, the 80s were all about calorie-counting and low-fat diets. They did not particularly help.

    In the 90s, it was discovered that not only was low-fat not the way to go, but also, regardless of the diet in question, rigid dieting leads to “disinhibition”, that is to say, there comes a point (usually not far into a diet) whereby one breaks the diet, at which point, the floodgates open and the dieter binges unhealthily.

    Aragon would like to bring our attention to a number of studies that found this in various ways over the course of the 90s measuring various different metrics including rigid vs flexible dieting’s impacts on BMI, weight gain, weight loss, lean muscle mass changes, binge-eating, anxiety, depression, and so forth), but we only have so much room here, so here’s a 1999 study that’s pretty much the culmination of those:

    Flexible vs. Rigid Dieting Strategies: Relationship with Adverse Behavioral Outcomes

    So in short: trying to be very puritan about any aspect of dieting will not only not work, it will backfire.

    Next, get out of the 90s into the 00s

    …which is not only fun if you read “00s” out loud as “naughties”, but also actually appropriate in this case, because it is indeed important to be comfortable being a little bit naughty:

    In 2000, Dr. Marika Tiggemann found that dichotomous perceptions of food (e.g. good/bad, clean/dirty, etc) were implicated as a dysfunctional cognitive style, and predicted not only eating disorders and mood disorders, but also adverse physical health outcomes:

    Dieting and Cognitive Style: The Role of Current and Past Dieting Behaviour and Cognitions

    This was rendered clearer, in terms of physical health outcomes, by Dr. Susan Byrne & Dr. Emma Dove, in 2009:

    ❝Weight loss was negatively associated with pre-treatment depression and frequency of treatment attendance, but not with dichotomous thinking. Females who regard their weight as unacceptably high and who think dichotomously may experience high levels of depression irrespective of their actual weight, while depression may be proportionate to the degree of obesity among those who do not think dichotomously❞

    Read more: Effect of dichotomous thinking on the association of depression with BMI and weight change among obese females

    Aragon’s advice based on all this: while yes, some foods are better than others, it’s more useful to see foods as being part of a spectrum, rather than being absolutist or “black and white” about it.

    Next: hit those perfect 10s… Imperfectly

    The next decade expanded on this research, as science is wont to do, and for this one, Aragon shines a spotlight on Dr. Alice Berg’s 2018 study with obese women averaging 69 years of age, in which…

    Flexible Eating Behavior Predicts Greater Weight Loss Following a Diet and Exercise Intervention in Older Women

    In other words (and in fact, to borrow Dr. Berg’s words from that paper),

    ❝encouraging a flexible approach to eating behavior and discouraging rigid adherence to a diet may lead to better intentional weight loss for overweight and obese older women❞

    You may be wondering: what did this add to the studies from the 90s?

    And the key here is: rather than being observational, this was interventional. In other words, rather than simply observing what happened to people who thought one way or another, this study took people who had a rigid, dichotomous approach to food, and gave them a 6-month behavioral intervention (in other words, support encouraging them to be more flexible and open in their approach to food), and found that this indeed improved matters for them.

    Which means, it’s not a matter of fate or predisposition, as it could have been back in the 90s, per “some people are just like that; who’s to say which factor causes which”. Instead, now we know that this is an approach that can be adopted, and it can be expected to work.

    Beyond weight loss

    Now, so far we’ve talked mostly about weight loss, and only touched on other health outcomes. This is because:

    • weight loss a very common goal for many
    • it’s easy to measure so there’s a lot of science for it

    Incidentally, if it’s a goal of yours, here’s what 10almonds had to say about that, along with two follow-up articles for other related goals:

    Spoiler: we agree with Aragon, and recommend a relaxed and flexible approach to all three of these things

    Aragon’s evidence-based approach to nutrition has found that this holds true for other aspects of healthy eating, too. For example…

    To count or not to count?

    It’s hard to do evidence-based anything without counting, and so Aragon talks a lot about this. Indeed, he does a lot of counting in scientific papers of his own, such as:

    How much protein can the body use in a single meal for muscle-building? Implications for daily protein distribution

    and

    The effect of protein timing on muscle strength and hypertrophy: a meta-analysis

    …as well as non-protein-related but diet-related topics such as:

    Does Timing Matter? A Narrative Review of Intermittent Fasting Variants and Their Effects on Bodyweight and Body Composition

    But! For the at-home health enthusiast, Aragon recommends that the answer to the question “to count or not to count?” is “both”:

    • Start off by indeed counting and tracking everything that is important to you (per whatever your current personal health intervention is, so it might be about calories, or grams of protein, or grams of carbs, or a certain fat balance, or something else entirely)
    • Switch to a more relaxed counting approach once you get used to the above. By now you probably know the macros for a lot of your common meals, snacks, etc, and can tally them in your head without worrying about weighing portions and knowing the exact figures.
    • Alternatively, count moderately standardized portions of relevant foods, such as “three servings of beans or legumes per day” or “no more than one portion of refined carbohydrates per day”
    • Eventually, let habit take the wheel. Assuming you have established good dietary habits, this will now do you just fine.

    This latter is the point whereby the advice (that Aragon also champions) of “allow yourself an unhealthy indulgence of 10–20% of your daily food”, as a budget of “discretionary calories”, eventually becomes redundant—because chances are, you’re no longer craving that donut, and at a certain point, eating foods far outside the range of healthiness you usually eat is not even something that you would feel inclined to do if offered.

    But until that kicks in, allow yourself that budget of whatever unhealthy thing you enjoy, and (this next part is important…) do enjoy it.

    Because it is no good whatsoever eating that cream-filled chocolate croissant and then feeling guilty about it; that’s the dichotomous thinking we had back in the 80s. Decide in advance you’re going to eat and enjoy it, then eat and enjoy it, then look back on it with a sense of “that was enjoyable” and move on.

    The flipside of this is that the importance of allowing oneself a “little treat” is that doing so actively helps ensure that the “little treat” remains “little”. Without giving oneself permission, then suddenly, “well, since I broke my diet, I might as well throw the whole thing out the window and try again on Monday”.

    On enjoying food fully, by the way:

    Mindful Eating: How To Get More Nutrition Out Of The Same Food

    Want to know more from Alan Aragon?

    Today we’ve been working heavily from this book of his; we haven’t reviewed it yet, but we do recommend checking it out:

    Flexible Dieting: A Science-Based, Reality-Tested Method for Achieving and Maintaining Your Optimal Physique, Performance & Health – by Alan Aragon

    Enjoy!

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