How much weight do you actually need to lose? It might be a lot less than you think
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If you’re one of the one in three Australians whose New Year’s resolution involved losing weight, it’s likely you’re now contemplating what weight-loss goal you should actually be working towards.
But type “setting a weight loss goal” into any online search engine and you’ll likely be left with more questions than answers.
Sure, the many weight-loss apps and calculators available will make setting this goal seem easy. They’ll typically use a body mass index (BMI) calculator to confirm a “healthy” weight and provide a goal weight based on this range.
Your screen will fill with trim-looking influencers touting diets that will help you drop ten kilos in a month, or ads for diets, pills and exercise regimens promising to help you effortlessly and rapidly lose weight.
Most sales pitches will suggest you need to lose substantial amounts of weight to be healthy – making weight loss seem an impossible task. But the research shows you don’t need to lose a lot of weight to achieve health benefits.
Using BMI to define our target weight is flawed
We’re a society fixated on numbers. So it’s no surprise we use measurements and equations to score our weight. The most popular is BMI, a measure of our body weight-to-height ratio.
BMI classifies bodies as underweight, normal (healthy) weight, overweight or obese and can be a useful tool for weight and health screening.
But it shouldn’t be used as the single measure of what it means to be a healthy weight when we set our weight-loss goals. This is because it:
- fails to consider two critical factors related to body weight and health – body fat percentage and distribution
- does not account for significant differences in body composition based on gender, ethnicity and age.
How does losing weight benefit our health?
Losing just 5–10% of our body weight – between 6 and 12kg for someone weighing 120kg – can significantly improve our health in four key ways.
1. Reducing cholesterol
Obesity increases the chances of having too much low-density lipoprotein (LDL) cholesterol – also known as bad cholesterol – because carrying excess weight changes how our bodies produce and manage lipoproteins and triglycerides, another fat molecule we use for energy.
Having too much bad cholesterol and high triglyceride levels is not good, narrowing our arteries and limiting blood flow, which increases the risk of heart disease, heart attack and stroke.
But research shows improvements in total cholesterol, LDL cholesterol and triglyceride levels are evident with just 5% weight loss.
2. Lowering blood pressure
Our blood pressure is considered high if it reads more than 140/90 on at least two occasions.
Excess weight is linked to high blood pressure in several ways, including changing how our sympathetic nervous system, blood vessels and hormones regulate our blood pressure.
Essentially, high blood pressure makes our heart and blood vessels work harder and less efficiently, damaging our arteries over time and increasing our risk of heart disease, heart attack and stroke.
Prostock-studio/Shutterstock
Like the improvements in cholesterol, a 5% weight loss improves both systolic blood pressure (the first number in the reading) and diastolic blood pressure (the second number).
A meta-analysis of 25 trials on the influence of weight reduction on blood pressure also found every kilo of weight loss improved blood pressure by one point.
3. Reducing risk for type 2 diabetes
Excess body weight is the primary manageable risk factor for type 2 diabetes, particularly for people carrying a lot of visceral fat around the abdomen (belly fat).
Carrying this excess weight can cause fat cells to release pro-inflammatory chemicals that disrupt how our bodies regulate and use the insulin produced by our pancreas, leading to high blood sugar levels.
Type 2 diabetes can lead to serious medical conditions if it’s not carefully managed, including damaging our heart, blood vessels, major organs, eyes and nervous system.
Research shows just 7% weight loss reduces risk of developing type 2 diabetes by 58%.
4. Reducing joint pain and the risk of osteoarthritis
Carrying excess weight can cause our joints to become inflamed and damaged, making us more prone to osteoarthritis.
Observational studies show being overweight doubles a person’s risk of developing osteoarthritis, while obesity increases the risk fourfold.
Small amounts of weight loss alleviate this stress on our joints. In one study each kilogram of weight loss resulted in a fourfold decrease in the load exerted on the knee in each step taken during daily activities.
Shutterstock/Rostislav_Sedlacek
Focus on long-term habits
If you’ve ever tried to lose weight but found the kilos return almost as quickly as they left, you’re not alone.
An analysis of 29 long-term weight-loss studies found participants regained more than half of the weight lost within two years. Within five years, they regained more than 80%.
When we lose weight, we take our body out of its comfort zone and trigger its survival response. It then counteracts weight loss, triggering several physiological responses to defend our body weight and “survive” starvation.
Just as the problem is evolutionary, the solution is evolutionary too. Successfully losing weight long-term comes down to:
losing weight in small manageable chunks you can sustain, specifically periods of weight loss, followed by periods of weight maintenance, and so on, until you achieve your goal weight
making gradual changes to your lifestyle to ensure you form habits that last a lifetime.
Setting a goal to reach a healthy weight can feel daunting. But it doesn’t have to be a pre-defined weight according to a “healthy” BMI range. Losing 5–10% of our body weight will result in immediate health benefits.
At the Boden Group, Charles Perkins Centre, we are studying the science of obesity and running clinical trials for weight loss. You can register here to express your interest.
Nick Fuller, Charles Perkins Centre Research Program Leader, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Behaving During the Holidays
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝It’s hard to “behave” when it comes to holiday indulging…I’m on a low sodium, sugar restricted regimen from my doctor. Trying to get interested in bell peppers as a snack…wish me luck!❞
Good luck! Other low sodium, low sugar snacks include:
- Nuts! Unsalted, of course. We’re biased towards almonds 😉
- Mixed nuts are an especially healthy way to snack, though (assuming you don’t have an allergy, obviously)
- Air-popped popcorn (you can season it, just not with salt/sugar!)
- Fruit (but not fruit juice; it has to be in solid form)
- Peas (not a classic snack food, we know, but they can be enjoyed many ways)
- Seriously, try them frozen or raw! Frozen/raw peas are a great sweet snack.
- Chickpeas are great dried/roasted, by the way, and give much of the same pleasure as a salty snack without being salty! Obviously, this means cooking them without salt, but that’s fine, or if using tinned, choose “in water” rather than “in brine”
- Hummus is also a great healthy snack (check the ingredients for salt if not making it yourself, though) and can be enjoyed as a dip using raw vegetables (celery, carrot sticks, cruciferous vegetables, whatever you prefer)
Enjoy!
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- Nuts! Unsalted, of course. We’re biased towards almonds 😉
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How worried should I be about cryptosporidiosis? Am I safe at the pool?
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You might have heard of something called “cryptosporidiosis” recently, closely followed by warnings to stay away from your local swimming pool if you’ve had diarrhoea.
More than 700 cases of this gastrointestinal disease were reported in Queensland in January, which is 13 times more than in January last year. Just under 500 cases have been recorded in New South Wales this year to-date, while other states have similarly reported an increase in the number of cryptosporidiosis infections in recent months.
Cryptosporidiosis has been listed as a national notifiable disease in Australia since 2001.
But what exactly is it, and should we be worried?What causes cryptosporidiosis, and who is affected?
Cryptosporidiosis is the disease caused by the parasite Cryptosporidium, of which there are two types that can make us sick. Cryptosporidum hominis only affects humans and is the major cause of recent outbreaks in Australia, while Cryptosporidium parvum can also affect animals.
The infection is spread by spores called oocysts in the stools of humans and animals. When ingested, these oocysts migrate and mature in the small bowel. They damage the small bowel lining and can lead to diarrhoea, nausea, vomiting, fever and abdominal discomfort.
Most people develop symptoms anywhere from one to 12 days after becoming infected. Usually these symptoms resolve within two weeks, but the illness may last longer and can be severe in those with a weakened immune system.
Children and the elderly tend to be the most commonly affected. Cryptosporidiosis is more prevalent in young children, particularly those under five, but the disease can affect people of any age.
A number of public pools have been closed lately due to cryptosporidiosis outbreaks.
LBeddoe/ShutterstockSo how do we catch it?
Most major outbreaks of cryptosporidiosis have been due to people drinking contaminated water. The largest recorded outbreak occurred in Milwaukee in 1993 where 403,000 people were believed to have been infected.
Cryptosporidium oocysts are very small in size and in Milwaukee they passed through the filtration system of one of the water treatment plants undetected, infecting the city’s water supply. As few as ten oocysts can cause infection, making it possible for contaminated drinking water to affect a very large number of people.
Four days after infection a person with cryptosporidiosis can shed up to ten billion oocysts into their stool a day, with the shedding persisting for about two weeks. This is why one infected person in a swimming pool can infect the entire pool in a single visit.
Cryptosporidium oocysts excreted in the faeces of infected humans and animals can also reach natural bodies of water such as beaches, rivers and lakes directly through sewer pipes or indirectly such as in manure transported with surface runoff after heavy rain.
One study which modelled Cryptosporidium concentrations in rivers around the world estimated there are anywhere from 100 to one million oocysts in a litre of river water.
In Australia, cryptosporidiosis outbreaks tend to occur during the late spring and early summer periods when there’s an increase in recreational water activities such as swimming in natural water holes, water catchments and public pools. We don’t know exactly why cases have seen such a surge this summer compared to other years, but we know Cryptosporidium is very infectious.
Oocysts have been found in foods such as fresh vegetables and seafood but these are not common sources of infection in Australia.
What about chlorine?
Contrary to popular belief, chlorine doesn’t kill off all infectious microbes in a swimming pool. Cryptosporidium oocysts are hardy, thick-walled and resistant to chlorine and acid. They are not destroyed by chlorine at the normal concentrations found in swimming pools.
We also know oocysts can be significantly protected from the effects of chlorine in swimming pools by faecal material, so the presence of even small amounts of faecal matter contaminated with Cryptosporidium in a swimming pool would necessitate closure and a thorough decontamination.
Young children and in particular children in nappies are known to increase the potential for disease transmission in recreational water. Proper nappy changing, frequent bathroom breaks and showering before swimming to remove faecal residue are helpful ways to reduce the risk.
Cryptosporidium can spread in other bodies of water, not just swimming pools.
Yulia Simonova/ShutterstockSome sensible precautions
Other measures you can take to reduce yours and others’ risk of cryptosporidiosis include:
- avoid swimming in natural waters such as rivers and creeks during and for at least three days after heavy rain
- avoid swimming in beaches for at least one day after heavy rain
- avoid drinking untreated water such as water from rivers or springs. If you need to drink untreated water, boiling it first will kill the Cryptosporidium
- avoid swallowing water when swimming if you can
- if you’ve had diarrhoea, avoid swimming for at least two weeks after it has resolved
- avoid sharing towels or linen for at least two weeks after diarrhoea has resolved
- avoid sharing, touching or preparing food that other people may eat for at least 48 hours after diarrhoea has resolved
- wash your hands with soap and water after going to the bathroom or before preparing food (Cryptosporidium is not killed by alcohol gels and sanitisers).
Not all cases of diarrhoea are due to cryptosporidiosis. There are many other causes of infectious gastroenteritis and because the vast majority of the time recovery is uneventful you don’t need to see a doctor unless very unwell. If you do suspect you may have cryptosporidiosis you can ask your doctor to refer you for a stool test.
Vincent Ho, Associate Professor and clinical academic gastroenterologist, Western Sydney University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Super Joints – by Pavel Tsatsouline
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For those of us for whom mobility and pain-free movement are top priorities, this book has us covered. So what’s different here, compared to your average stretching book?
It’s about functional strength with the stretches. The author’s background as a special forces soldier means that his interest was not in doing arcane yoga positions so much as being able to change direction quickly without losing speed or balance, get thrown down and get back up without injury, twist suddenly without unpleasantly wrenching anything (of one’s own, at least), and generally be able to take knocks without taking damage.
While we are hopefully not having to deal with such violence in our everyday lives, the robustness of body that results from these exercises is one that certainly can go a long way to keep us injury-free.
The exercises themselves are well-described, clearly and succinctly, with equally clear illustrations.
Note: the paperback version is currently expensive, probably due to supply and demand, but if you select the Kindle version, it’s much cheaper with no loss of quality (because the illustrations are black-on-white line-drawings and very clear; perfect for Kindle e-ink)
The style of the book is very casual and conversational, yet somehow doesn’t let that distract it from being incredibly information dense; there is no fluff here, just valuable guidance.
Bottom line: if you would like to be more robust with non-nonsense exercises, then this book is a fine choice.
Click here to check out Super Joints, and make yours flexible and strong!
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How Not To Die – by Dr. Michael Greger
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We previously reviewed this book some years ago, but we’re revisiting it now because:
- It really is a book that should be in every healthspan-enjoyer’s collection
- Our book reviews back then were not as comprehensive as now (though we still generally try to fit into the “it takes about one minute to read this review” idea, sometimes we’ll spend a little extra time).
Dr. Greger (of “Dr. Greger’s Daily Dozen” fame) outlines for us in cold hard facts and stats what’s most likely to be our cause of death. While this is not a cheery premise for a book, he then sets out to work back from there—what could have prevented those specific things?
Thus, while the book doesn’t confer immortality (the title is not “how to not die”, after all), it does teach us how not to die—i.e, from heart disease, lung diseases, brain diseases, digestive cancers, infections, diabetes, high blood pressure, liver disease, blood cancers, kidney disease, breast cancer, suicidal depression, prostate cancer, Parkinson’s disease, and even iatrogenic causes.
This it does with a lot of solid science, explained for the layperson, and/but without holding back when it comes to big words, and a lot of them, at that. If you want to add in daily exercises, just lifting the book could be a start; weighing in at 678 pages, it’s an information-dense tome that’s more likely to be sifted through than read cover-to-cover.
The style is thus dense science somewhat editorialized for lay readability, and well-evidenced with around 3,000 citations. That’s not a typo; there are 178 pages of bibliography at the back with about 15–20 scientific references per page.
In terms of practical use, he does also devote chapters to that, it’s not just all textbook. Indeed, he discusses the reasonings behind the items, portion sizes, and quantities of his “daily dozen” foods, so that the reader will understand how much bang-for-buck they deliver, and then it’ll seem a lot less like an arbitrary list, and more likely to be adopted and maintained.
Bottom line: if you care about not getting life-threatening illnesses (which at the end of the day, come to most people at some point), then this book is a must-read.
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Self-Compassion In A Relationship (Positives & Pitfalls)
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Practise Self-Compassion In Your Relationship (But Watch Out!)
Let’s make clear up-front: this is not about “…but not too much”.
With that in mind…
Now let’s set the scene: you, a happily-partnered person, have inadvertently erred and upset your partner. They may or may not have already forgiven you, but you are still angry at yourself.
Likely next steps include all or any of:
- continuing to apologise and try to explain
- self-deprecatory diatribes
- self-flagellation, probably not literally but in the sense of “I don’t deserve…” and acting on that feeling
- self-removal, because you don’t want to further inflict your bad self on your partner
As you might guess, these are quite varied in their degree of healthiness:
- apologising is good, as even is explaining, but once it’s done, it’s done; let it go
- self-deprecation is pretty much never useful, let alone healthy
- self-flagellation likewise; it is not only inherently self-destructive, but will likely create an additional problem for your partner too
- self-removal can be good or bad depending on the manner of that removal: there’s a difference between just going cold and distant on your partner, and saying “I’m sorry; this is my fault not yours, I don’t want to take it out on you, so please give me half an hour by myself to regain my composure, and I will come back with love then if that’s ok with you”
About that last: mentioning the specific timeframe e.g. “half an hour” is critical, by the way—don’t leave your partner hanging! And then do also follow through on that; come back with love after the half-hour elapses. We suggest mindfulness meditation in the interim (here’s our guide to how), if you’re not sure what to do to get you there.
To Err Is Human; To Forgive, Healthy (Here’s How To Do It) ← this goes for when the forgiveness in question is for yourself, too—and we do write about that there (and how)!
This is important, by the way; not forgiving yourself can cause more serious issues down the line:
If, by the way, you’re hand-wringing over “but was my apology good enough really, or should I…” then here is how to do it. Basically, do this, and then draw a line under it and consider it done:
The Apology Checklist ← you’ll want to keep a copy of this, perhaps in the notes app on your phone, or a screenshot if you prefer
(the checklist is at the bottom of that page)
The catch
It’s you, you’re the catch 👈👈😎
Ok, that being said, there is actually a catch in the less cheery sense of the word, and it is:
“It is important to be compassionate about one’s occasional failings in a relationship” does not mean “It is healthy to be neglectful of one’s partner’s emotional needs; that’s self-care, looking after #1; let them take care of themself too”
…because that’s simply not being a couple at all.
Think about it this way: the famous airline advice,
“Put on your own oxygen mask before helping others with theirs”
…does not mean “Put on your own oxygen mask and then watch those kids suffocate; it’s everyone for themself”
So, the same goes in relationships too. And, as ever, we have science for this. There was a recent (2024) study, involving hundreds of heterosexual couples aged 18–73, which looked at two things, each measured with a scaled questionnaire:
- Subjective levels of self-compassion
- Subjective levels of relationship satisfaction
For example, questions included asking participants to rate, from 1–5 depending on how much they felt the statements described them, e.g:
In my relationship with my partner, I:
- treat myself kindly when I experience sorrow and suffering.
- accept my faults and weaknesses.
- try to see my mistakes as part of human nature.
- see difficulties as part of every relationship that everyone goes through once.
- try to get a balanced view of the situation when something unpleasant happens.
- try to keep my feelings in balance when something upsets me.
Note: that’s not multiple choice! It’s asking participants to rate each response as applicable or not to them, on a scale of 1–5.
And…
❝Women’s self-compassion was also positively linked with men’s total relationship satisfaction. Thus, men seem to experience overall satisfaction with the relationship when their female partner is self-kind and self-caring in difficult situations.
Unexpectedly, however, we found that men’s relationship-specific self-compassion was negatively associated with women’s fulfillment.
Baker and McNulty (2011) reported that, only for men, a Self-Compassion x Conscientiousness interaction explained whether the positive effects of self-compassion on the relationship emerged, but such an interaction was not found for women.
Highly self-compassionate men who were low in conscientiousness were less motivated than others to remedy interpersonal mistakes in their romantic relationships, and this tendency was in turn related to lower relationship satisfaction❞
~ Dr. Astrid Schütz et al. (2024)
And if you’d like to read the cited older paper from 2011, here it is:
Read in full: Self-compassion and relationship maintenance: the moderating roles of conscientiousness and gender
The take-away here is not: “men should not practice self-compassion”
(rather, they absolutely should)
The take-away is: we must each take responsibility for managing our own mood as best we are able; practice self-forgiveness where applicable and forgive our partner where applicable (and communicate that!)…. And then go consciously back to the mutual care on which the relationship is hopefully founded.
Which doesn’t just mean love-bombing, by the way, it also means listening:
The Problem With Active Listening (And How To Do Better)
To close… We say this often, but we mean it every time: take care!
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Turmeric: Raw Root, Powder, Tea, Or…?
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It’s Q&A Day at 10almonds!
Have a question or a request? We love to hear from you!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small 😎
❝Is turmeric infused water better or chewing half an inch of raw turmeric better? I am trying to work on my immunity as this year I have suffered the most with my allergies in the last 20 years. In case you can guide me, I will be thankful.❞
Great question! First of all, a quick recap of the properties of turmeric (and its relevant active compound, curcumin)
Let’s do a quick run-down:
- It fights inflammation, and thus helps fight many diseases where inflammation is a factor (ranging from atherosclerosis to arthritis to Alzheimer’s and more)
- It has powerful antioxidant effects too
- It boosts brain-derived neurotropic factor (BDNF) and thus improves memory and attention
- It helps protect against heart disease…
- …and can give a 65% decreased risk of experiencing a heart attack
- It can help prevent cancer, and reduce cancerous lesions by 40%
- It’s also good against depression
- It even slows aging
If you take curcumin with black pepper, it allows your body to use the curcumin around 2,000% better. This goes whether you’re cooking with both, or take them as a supplement (they’re commonly sold as a combo-capsule for this reason).
Note: you mentioned an infusion or chewing the root, so perhaps you are not having black pepper with either of those. That’s fine, but try to have it near to black pepper (for example, perhaps while cooking a meal in which you use black pepper, so you take the turmeric and then you eat the meal).
Extra note: in fact, that’s ideal, because curcumin is fat-soluble, so having it with (or near in time to) consuming fats (such as perhaps used in cooking) is a great way to do it.
Curcumin vs allergies, specifically
For any thinking “that wasn’t on the list”… It was hidden! It comes with curcumin’s anti-inflammatory and antioxidant powers.
See for example:
- Modulation of the Immune Response to Allergies Using Alternative Functional Foods ← turmeric is one of the functional foods discussed
- Turmeric extract alleviates airway inflammation via oxidative stress-driven MAPKs/MMPs pathway ← this is important to dial down an inappropriate immune response, e.g. an allergy
- Dietary Polyphenols, Plant Metabolites, and Allergic Disorders: A Comprehensive Review ← again, turmeric is a key player
- Development of fast-dissolving sublingual nanofibers containing allergen and curcumin for immune response modulation in a mouse model of allergic rhinitis ← allergic rhinitis = “seasonal allergies” and similar respiratory allergic responses
- DES/O microemulsion for solubilizing and delivering curcumin via the nasal administration to treat acute asthma ← similar mechanism of action
food vs supplement
You didn’t ask this, but it’ll be helpful for understanding if we quickly cover this first.
- Turmeric root is just that: a root, which contains abundant phytochemicals, and/but is not at all standardized in dosage
- Curcumin extract, on the other hand, have been standardized, optimized, and are metabolized much more quickly
…which latter can be a problem, because it’s been taken apart and used for scrap metabolites faster than the body could actually make use of the curcumin as-is.
The black pepper hack fixes this, by the way, because of how it improves absorption.
You may be thinking: isn’t this going to cause the same problem you were just talking about, and cause it to be metabolized too quickly? And the answer is: no! How piperine works is almost the opposite; it protects the curcumin in the turmeric from our digestive enzymes, and thus allows them to get absorbed without being broken down too quickly—thus increasing the bioavailability by slowing the process down.
In short: food is best, but supplements are fine for anyone whose local supermarkets don’t sell turmeric root. Make sure to get it from a vendor who has transparency about their processes and has reputable certifications against heavy metal contamination though, because that’s especially common in cheap turmeric/curcumin supplements.
The different ways of taking it
There are a few more options than those you mentioned, so let’s quickly note:
- Infusion: the chopped/grated root is steeped in hot water, and then we drink the hot water (sometimes called “turmeric tea”) and discard the solids
- Suspension: the dried, powdered root is mixed in water, which we then drink in its entirety
- Decoction: the finely chopped/grated root is steeped in hot water, and then we consume this in its entirety, which most people don’t find pleasant
- Mastication only: chewing the root, spitting out the fibrous remnants
- Solid ingestion: eating the root
All of these will allow you to gain the benefits of curcumin (wherever that yellow-red pigment goes, so goes the curcumin), but only those which include consuming the solids will give you the full benefit (as otherwise, you are discarding a large amount of the curcumin with the solids that you discard).
So, we can remove both of the methods that you mentioned (infusion and chewing, assuming you meant chewing only, and not eating).
Things tend to lose potency with drying and grinding processes, not to mention long-term storage, so we can also remove suspension from the list.
That leaves decoction and solid ingestion. Since solid ingestion is not comfortable for most people without cooking the root, that leaves decoction as the superior method unless you personally are happy to just eat raw turmeric root.
However!
Out of the two you presented, infusion can be improved if a) you make the infusion very strong, by grating the root before steeping, and letting it steep for a good while, and b) if practical, throw the grated root (after pouring the tea) into a dish where its flavor will be appropriate. If this seems strange, like throwing a waste product into your meal, then remember that that’s only a matter of convention: physically, what it is is cooked (boiling is cooking!) grated turmeric, nothing more nor less.
At the end of the day though, the way that works best will be the way that you enjoy most (or if that’s not an option, dislike least), and thus will do more often.
Want to know more?
Check out:
Turmeric (Curcumin) Dos and Don’ts With Dr. Kim
Enjoy!
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