How often should you really weigh yourself?
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Few topics are more debated in health than the value of the humble bathroom scale. Some experts advocate daily self-weigh-ins to promote accountability for weight management, particularly when we’re following a diet and exercise program to lose weight.
Others suggest ditching self-weigh-ins altogether, arguing they can trigger negative psychological responses and unhealthy behaviours when we don’t like, or understand, the number we see on the scale.
Many, like me, recommend using scales to weigh yourself weekly, even when we’re not trying to lose weight. Here’s why.
1. Weighing weekly helps you manage your weight
Research confirms regular self-weighing is an effective weight loss and management strategy, primarily because it helps increase awareness of our current weight and any changes.
A systematic review of 12 studies found participants who weighed themselves weekly or daily over several months lost 1–3 BMI (body mass index) units more and regained less weight than participants who didn’t weight themselves frequently. The weight-loss benefit was evident with weekly weighing; there was no added benefit with daily weighing.
Self-weigh-ins are an essential tool for weight management as we age. Adults tend to gain weight progressively through middle age. While the average weight gain is typically between 0.5–1kg per year, this modest accumulation of weight can lead to obesity over time. Weekly weighing and keeping track of the results helps avoid unnecessary weight gain.
Tracking our weight can also help identify medical issues early. Dramatic changes in weight can be an early sign of some conditions, including problems with our thyroid, digestion and diabetes.
2. Weekly weighing accounts for normal fluctuations
Our body weight can fluctuate within a single day and across the days of the week. Studies show body weight fluctuates by 0.35% within the week and it’s typically higher after the weekend.
Daily and day-to-day body weight fluctuations have several causes, many linked to our body’s water content. The more common causes include:
The type of food we’ve consumed
When we’ve eaten a dinner higher in carbohydrates, we’ll weigh more the next day. This change is a result of our bodies temporarily carrying more water. We retain 3–4 grams of water per gram of carbohydrate consumed to store the energy we take from carbs.
Our water content also increases when we consume foods higher in salt. Our bodies try to maintain a balance of sodium and water. When the concentration of salt in our bloodstream increases, a mechanism is triggered to restore balance by retaining water to dilute the excess salt.
Our food intake
Whether it’s 30 grams of nuts or 65 grams of lean meat, everything we eat and drink has weight, which increases our body weight temporarily while we digest and metabolise what we’ve consumed.
Our weight also tends to be lower first thing in the morning after our food intake has been restricted overnight and higher in the evening after our daily intake of food and drinks.
Exercise
If we weigh ourselves at the gym after a workout, there’s a good chance we’ll weigh less due to sweat-induced fluid loss. The amount of water lost varies depending on things like our workout intensity and duration, the temperature and humidity, along with our sweat rate and hydration level. On average, we lose 1 litre of sweat during an hour of moderate-intensity exercise.
Hormonal changes
Fluctuations in hormones within your menstrual cycle can also affect fluid balance. Women may experience fluid retention and temporarily gain 0.5–2kg of weight at this time. Specifically, the luteal phase, which represents the second half of a woman’s cycle, results in a shift of fluid from your blood plasma to your cells, and bloating.
Bowel movements
Going to the bathroom can lead to small but immediate weight loss as waste is eliminated from the body. While the amount lost will vary, we generally eliminate around 100 grams of weight through our daily bowel movements.
All of these fluctuations are normal, and they’re not indicative of significant changes in our body fat or muscle mass. However, seeing these fluctuations can lead to unnecessary stress and a fixation with our weight.
3. Weekly weighing avoids scale obsession and weight-loss sabotage
Weighing too frequently can create an obsession with the number on the scales and do more harm than good.
Often, our reaction when we see this number not moving in the direction we want or expect is to further restrict our food intake or embark on fad dieting. Along with not being enjoyable or sustainable, fad diets also ultimately increase our weight gain rather than reversing it.
This was confirmed in a long-term study comparing intentional weight loss among more than 4,000 twins. The researchers found the likelihood of becoming overweight by the age of 25 was significantly greater for a twin who dieted to lose 5kg or more. This suggests frequent dieting makes us more susceptible to weight gain and prone to future weight gain.
So what should you do?
Weighing ourselves weekly gives a more accurate measure of our weight trends over time.
Aim to weigh yourself on the same day, at the same time and in the same environment each week – for example, first thing every Friday morning when you’re getting ready to take a shower, after you’ve gone to the bathroom, but before you’ve drunk or eaten anything.
Use the best quality scales you can afford. Change the batteries regularly and check their accuracy by using a “known” weight – for example, a 10kg weight plate. Place the “known” weight on the scale and check the measurement aligns with the “known” weight.
Remember, the number on the scale is just one part of health and weight management. Focusing solely on it can overshadow other indicators, such as how your clothes fit. It’s also essential to pay equal attention to how we’re feeling, physically and emotionally.
Stop weighing yourself – at any time interval – if it’s triggering anxiety or stress, and get in touch with a health-care professional to discuss this.
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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Water-based Lubricant vs Silicon-based Lubricant – Which is Healthier?
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Our Verdict
When comparing water-based lubricant to silicon-based lubricant, we picked the silicon-based.
Why?
First, some real talk about vaginas, because this is something not everyone knows, so let’s briefly cover this before moving onto the differences:
Yes, vaginas are self-lubricating, but a) not always and b) not always sufficiently, especially as we get older. Much like with penile hardness (or lack thereof), there’s a lot of stigma associated with vaginal dryness, and there really needn’t be, because the simple reality is that we don’t live in the fictitious world of porn, and here in the real world, anatomy and physiology can be quite arbitrary at times.
It is this writer’s firm opinion that everyone (or: everyone who is sexual, anyway) should have good quality lube at home—regardless of one’s gender, relationship status, or anything else.
Ok, with that in mind, onwards:
The water-based lube has nine ingredients: water, glycerin, cytopentasioxane, propylene glycol, xantham gum, phenoxyethanol, dimethiconol, triethanolamine, and ethylhexylglycerine.
All of these ingredients are considered body-safe in the doses present, and/but most of them will be absorbed into the skin, especially via the relatively permeable membrane that is the inside of the vagina (or anus—while the microbiome is very different, tissue-wise these are very similar).
While this is not meaningfully toxic, there’s a delicate balance going on in there, and this can upset that balance a little.
Also, because the lube is absorbed into the skin, you’ll then need more, which means either a moment’s inconvenience to add more, or else the risk of chafing, which isn’t fun.
The silicon lube has four ingredients: dimethicone, dimethiconol, cyclomethicone, and tocopheryl acetate.
Note: “tocopheryl acetate” is vitamin E
…which reminds us: just because something is hard to spell, doesn’t mean it’s necessarily bad for us.
What are the other three ingredients, though? They are all silicon compounds, all inert, and all with molecules too big to be absorbed into our skin. Basically they all slide right off, which is entirely the point of lube, after all.
It not being absorbed into our skin is good for our health; it’s also convenient as it means a tiny bit of lube goes a long way.
Any downsides to silicon-based lube?
There are two, and neither are health-related:
- It can damage silicon toys if not cleaned quickly and thoroughly, the silicon of the lube may bond with the silicon of the toy after a while.
- Because it doesn’t just disappear like water-based lube, you might want to put a towel down if you don’t want your bed to be slippy afterwards! The towel can then be put in the laundry as normal.
Want to try it out? Here it is on Amazon
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Even small diet tweaks can lead to sustainable weight loss
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It’s a well-known fact that to lose weight, you either need to eat less or move more. But how many calories do you really need to cut out of your diet each day to lose weight? It may be less than you think.
To determine how much energy (calories) your body requires, you need to calculate your total daily energy expenditure (TDEE). This is comprised of your basal metabolic rate (BMR) – the energy needed to sustain your body’s metabolic processes at rest – and your physical activity level. Many online calculators can help determine your daily calorie needs.
If you reduce your energy intake (or increase the amount you burn through exercise) by 500-1,000 calories per day, you’ll see a weekly weight loss of around one pound (0.45kg).
But studies show that even small calorie deficits (of 100-200 calories daily) can lead to long-term, sustainable weight-loss success. And although you might not lose as much weight in the short-term by only decreasing calories slightly each day, these gradual reductions are more effective than drastic cuts as they tend to be easier to stick with.
Small diet changes can still lead to weight loss in the long run. Monkey Business Images/ Shutterstock Hormonal changes
When you decrease your calorie intake, the body’s BMR often decreases. This phenomenon is known as adaptive thermogenesis. This adaptation slows down weight loss so the body can conserve energy in response to what it perceives as starvation. This can lead to a weight-loss plateau – even when calorie intake remains reduced.
Caloric restriction can also lead to hormonal changes that influence metabolism and appetite. For instance, thyroid hormones, which regulate metabolism, can decrease – leading to a slower metabolic rate. Additionally, leptin levels drop, reducing satiety, increasing hunger and decreasing metabolic rate.
Ghrelin, known as the “hunger hormone”, also increases when caloric intake is reduced, signalling the brain to stimulate appetite and increase food intake. Higher ghrelin levels make it challenging to maintain a reduced calorie diet, as the body constantly feels hungrier.
Insulin, which helps regulate blood sugar levels and fat storage, can improve in sensitivity when we reduce calorie intake. But sometimes, insulin levels decrease instead, affecting metabolism and leading to a reduction in daily energy expenditure. Cortisol, the stress hormone, can also spike – especially when we’re in a significant caloric deficit. This may break down muscles and lead to fat retention, particularly in the stomach.
Lastly, hormones such as peptide YY and cholecystokinin, which make us feel full when we’ve eaten, can decrease when we lower calorie intake. This may make us feel hungrier.
Fortunately, there are many things we can do to address these metabolic adaptations so we can continue losing weight.
Weight loss strategies
Maintaining muscle mass (either through resistance training or eating plenty of protein) is essential to counteract the physiological adaptations that slow weight loss down. This is because muscle burns more calories at rest compared to fat tissue – which may help mitigate decreased metabolic rate.
Portion control is one way of decreasing your daily calorie intake. Fevziie/ Shutterstock Gradual caloric restriction (reducing daily calories by only around 200-300 a day), focusing on nutrient-dense foods (particularly those high in protein and fibre), and eating regular meals can all also help to mitigate these hormonal challenges.
But if you aren’t someone who wants to track calories each day, here are some easy strategies that can help you decrease daily calorie intake without thinking too much about it:
1. Portion control: reducing portion sizes is a straightforward way of reducing calorie intake. Use smaller plates or measure serving sizes to help reduce daily calorie intake.
2. Healthy swaps: substituting high-calorie foods with lower-calorie alternatives can help reduce overall caloric intake without feeling deprived. For example, replacing sugary snacks with fruits or swapping soda with water can make a substantial difference to your calorie intake. Fibre-rich foods can also reduce the calorie density of your meal.
3. Mindful eating: practising mindful eating involves paying attention to hunger and fullness cues, eating slowly, and avoiding distractions during meals. This approach helps prevent overeating and promotes better control over food intake.
4. Have some water: having a drink with your meal can increase satiety and reduce total food intake at a given meal. In addition, replacing sugary beverages with water has been shown to reduce calorie intake from sugars.
4. Intermittent fasting: restricting eating to specific windows can reduce your caloric intake and have positive effects on your metabolism. There are different types of intermittent fasting you can do, but one of the easiest types is restricting your mealtimes to a specific window of time (such as only eating between 12 noon and 8pm). This reduces night-time snacking, so is particularly helpful if you tend to get the snacks out late in the evening.
Long-term behavioural changes are crucial for maintaining weight loss. Successful strategies include regular physical activity, continued mindful eating, and periodically being diligent about your weight and food intake. Having a support system to help you stay on track can also play a big role in helping you maintain weight loss.
Modest weight loss of 5-10% body weight in people who are overweight or obese offers significant health benefits, including improved metabolic health and reduced risk of chronic diseases. But it can be hard to lose weight – especially given all the adaptations our body has to prevent it from happening.
Thankfully, small, sustainable changes that lead to gradual weight loss appear to be more effective in the long run, compared with more drastic lifestyle changes.
Alexandra Cremona, Lecturer, Human Nutrition and Dietetics, University of Limerick
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Anti-Aging Risotto With Mushrooms, White Beans, & Kale
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This risotto is made with millet, which as well as being gluten-free, is high in resistant starch that’s great for both our gut and our blood sugars. Add the longevity-inducing ergothioneine in the shiitake and portobello mushrooms, as well as the well-balanced mix of macro- and micronutrients, polyphenols such as lutein (important against neurodegeneration) not to mention more beneficial phytochemicals in the seasonings, and we have a very anti-aging dish!
You will need
- 3 cups low-sodium vegetable stock
- 3 cups chopped fresh kale, stems removed (put the removed stems in the freezer with the vegetable offcuts you keep for making low-sodium vegetable stock)
- 2 cups thinly sliced baby portobello mushrooms
- 1 cup thinly sliced shiitake mushroom caps
- 1 cup millet, as yet uncooked
- 1 can white beans, drained and rinsed (or 1 cup white beans, cooked, drained, and rinsed)
- ½ cup finely chopped red onion
- ½ bulb garlic, finely chopped
- ¼ cup nutritional yeast
- 1 tbsp balsamic vinegar
- 2 tsp ground black pepper
- 1 tsp white miso paste
- ½ tsp MSG or 1 tsp low-sodium salt
- Extra virgin olive oil
Method
(we suggest you read everything at least once before doing anything)
1) Heat a little oil in a sauté or other pan suitable for both frying and volume-cooking. Fry the onion for about 5 minutes until soft, and then add the garlic, and cook for a further 1 minute, and then turn the heat down low.
2) Add about ¼ cup of the vegetable stock, and stir in the miso paste and MSG/salt.
3) Add the millet, followed by the rest of the vegetable stock. Cover and allow to simmer for 30 minutes, until all the liquid is absorbed and the millet is tender.
4) Meanwhile, heat a little oil to a medium heat in a skillet, and cook the mushrooms (both kinds), until lightly browned and softened, which should only take a few minutes. Add the vinegar and gently toss to coat the mushrooms, before setting side.
5) Remove the millet from the heat when it is done, and gently stir in the mushrooms, nutritional yeast, white beans, and kale. Cover, and let stand for 10 minutes (this will be sufficient to steam the kale in situ).
6) Uncover and fluff the risotto with a fork, sprinkling in the black pepper as you do so.
7) Serve. For a bonus for your tastebuds and blood sugars, drizzle with aged balsamic vinegar.
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- The Magic Of Mushrooms: The “Longevity Vitamin” (That’s Not A Vitamin)
- Brain Food? The Eyes Have It!
- The Many Health Benefits Of Garlic
- Black Pepper’s Impressive Anti-Cancer Arsenal (And More)
- 10 Ways To Balance Blood Sugars
Take care!
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8 Signs Of High Cortisol & How To Reverse “Cortisol Face”
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Dr. Shereene Idriss has insights about the facial features that might indicate chronically elevated cortisol levels, and what to do about same:
At face value
Dr. Idriss notes that for most people, this should not be cause for undue concern, although hypercortisolism can also be associated with genetic disorders such as Cushing’s syndrome, as well as prolonged use of certain medication, or the presence of certain tumors. As well as facial swelling, hypercortisolism can also result in other physical changes like acne, weight gain, skin thinning, stretch marks, infections, and hair loss.
As for what to do about it, she recommends addressing lifestyle factors like poor sleep, unhealthy diet, alcohol consumption, and lack of hydration to reduce facial puffiness related to stress. Diet suggestions include incorporating foods rich in magnesium, vitamin C, and omega-3s, such as leafy greens, fatty fish, nuts and seeds, and berries.
She also suggests some supplements to consider, such as ashwagandha, magnesium, omega-3s, and/or l-theanine, but you might want to speak to your doctor/pharmacist to check in case of contraindications per any other conditions you may have, or medications you may be on.
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:
- Lower Your Cortisol! (Here’s Why & How)
- Ashwagandha: The Root of All Even-Mindedness?
- L-Theanine: What’s The Tea?
Take care!
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7 Principles of Becoming a Leader – by Riku Vuorenmaa
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We urge you to overlook the cliché cover art (we don’t know what they were thinking, going for the headless suited torso) because…
This one could be the best investment you make in your career this year! You may be wondering what the titular 7 principles are. We won’t keep you guessing; they are:
- Professional development: personal excellence, productivity, and time management
- Leadership development: mindset and essential leadership skills
- Personal development: your motivation, character, and confidence as a leader
- Career management: plan your career, get promoted and paid well
- Social skills & networking: work and connect with the right people
- Business- & company-understanding: the big picture
- Commitment: make the decision and commit to becoming a great leader
A lot of leadership books repeat the same old fluff that we’ve all read many times before… padded with a lot of lengthy personal anecdotes and generally editorializing fluff. Not so here!
While yes, this book does also cover some foundational things first, it’d be remiss not to. It also covers a whole (much deeper) range of related skills, with down-to-earth, brass tacks advice on putting them into practice.
This is the kind of book you will want to set as a recurring reminder in your phone, to re-read once a year, or whatever schedule seems sensible to you.
There aren’t many books we’d put in that category!
Pick Up Your Copy of the “7 Principles of Becoming a Leader” on Amazon Today!
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The first pig kidney has been transplanted into a living person. But we’re still a long way from solving organ shortages
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In a world first, we heard last week that US surgeons had transplanted a kidney from a gene-edited pig into a living human. News reports said the procedure was a breakthrough in xenotransplantation – when an organ, cells or tissues are transplanted from one species to another. https://www.youtube.com/embed/cisOFfBPZk0?wmode=transparent&start=0 The world’s first transplant of a gene-edited pig kidney into a live human was announced last week.
Champions of xenotransplantation regard it as the solution to organ shortages across the world. In December 2023, 1,445 people in Australia were on the waiting list for donor kidneys. In the United States, more than 89,000 are waiting for kidneys.
One biotech CEO says gene-edited pigs promise “an unlimited supply of transplantable organs”.
Not, everyone, though, is convinced transplanting animal organs into humans is really the answer to organ shortages, or even if it’s right to use organs from other animals this way.
There are two critical barriers to the procedure’s success: organ rejection and the transmission of animal viruses to recipients.
But in the past decade, a new platform and technique known as CRISPR/Cas9 – often shortened to CRISPR – has promised to mitigate these issues.
What is CRISPR?
CRISPR gene editing takes advantage of a system already found in nature. CRISPR’s “genetic scissors” evolved in bacteria and other microbes to help them fend off viruses. Their cellular machinery allows them to integrate and ultimately destroy viral DNA by cutting it.
In 2012, two teams of scientists discovered how to harness this bacterial immune system. This is made up of repeating arrays of DNA and associated proteins, known as “Cas” (CRISPR-associated) proteins.
When they used a particular Cas protein (Cas9) with a “guide RNA” made up of a singular molecule, they found they could program the CRISPR/Cas9 complex to break and repair DNA at precise locations as they desired. The system could even “knock in” new genes at the repair site.
In 2020, the two scientists leading these teams were awarded a Nobel prize for their work.
In the case of the latest xenotransplantation, CRISPR technology was used to edit 69 genes in the donor pig to inactivate viral genes, “humanise” the pig with human genes, and knock out harmful pig genes. https://www.youtube.com/embed/UKbrwPL3wXE?wmode=transparent&start=0 How does CRISPR work?
A busy time for gene-edited xenotransplantation
While CRISPR editing has brought new hope to the possibility of xenotransplantation, even recent trials show great caution is still warranted.
In 2022 and 2023, two patients with terminal heart diseases, who were ineligible for traditional heart transplants, were granted regulatory permission to receive a gene-edited pig heart. These pig hearts had ten genome edits to make them more suitable for transplanting into humans. However, both patients died within several weeks of the procedures.
Earlier this month, we heard a team of surgeons in China transplanted a gene-edited pig liver into a clinically dead man (with family consent). The liver functioned well up until the ten-day limit of the trial.
How is this latest example different?
The gene-edited pig kidney was transplanted into a relatively young, living, legally competent and consenting adult.
The total number of gene edits edits made to the donor pig is very high. The researchers report making 69 edits to inactivate viral genes, “humanise” the pig with human genes, and to knockout harmful pig genes.
Clearly, the race to transform these organs into viable products for transplantation is ramping up.
From biotech dream to clinical reality
Only a few months ago, CRISPR gene editing made its debut in mainstream medicine.
In November, drug regulators in the United Kingdom and US approved the world’s first CRISPR-based genome-editing therapy for human use – a treatment for life-threatening forms of sickle-cell disease.
The treatment, known as Casgevy, uses CRISPR/Cas-9 to edit the patient’s own blood (bone-marrow) stem cells. By disrupting the unhealthy gene that gives red blood cells their “sickle” shape, the aim is to produce red blood cells with a healthy spherical shape.
Although the treatment uses the patient’s own cells, the same underlying principle applies to recent clinical xenotransplants: unsuitable cellular materials may be edited to make them therapeutically beneficial in the patient.
CRISPR technology is aiming to restore diseased red blood cells to their healthy round shape. Sebastian Kaulitzki/Shutterstock We’ll be talking more about gene-editing
Medicine and gene technology regulators are increasingly asked to approve new experimental trials using gene editing and CRISPR.
However, neither xenotransplantation nor the therapeutic applications of this technology lead to changes to the genome that can be inherited.
For this to occur, CRISPR edits would need to be applied to the cells at the earliest stages of their life, such as to early-stage embryonic cells in vitro (in the lab).
In Australia, intentionally creating heritable alterations to the human genome is a criminal offence carrying 15 years’ imprisonment.
No jurisdiction in the world has laws that expressly permits heritable human genome editing. However, some countries lack specific regulations about the procedure.
Is this the future?
Even without creating inheritable gene changes, however, xenotransplantation using CRISPR is in its infancy.
For all the promise of the headlines, there is not yet one example of a stable xenotransplantation in a living human lasting beyond seven months.
While authorisation for this recent US transplant has been granted under the so-called “compassionate use” exemption, conventional clinical trials of pig-human xenotransplantation have yet to commence.
But the prospect of such trials would likely require significant improvements in current outcomes to gain regulatory approval in the US or elsewhere.
By the same token, regulatory approval of any “off-the-shelf” xenotransplantation organs, including gene-edited kidneys, would seem some way off.
Christopher Rudge, Law lecturer, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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