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.

Diva Plavalaguna/Pexels

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.

Two people cross the road
Weighing regularly means we know when our weight changes. Andres Ayrton/Pexels

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.

Bowl of pasta
The morning after a big pasta dinner, we’ll carry more water weight. Dana Tentis/Pexels

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.

Glass of water
Most of our weight fluctuations are water-related. Engin Akyurt/Unsplash

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.

Man weighs himself
Weigh yourself at the same time on the same day of the week. Alexanderstock23/Shutterstock

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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  • Remember – by Dr. Lisa Genova

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    Memory is often viewed as one thing—either you have a good memory, or you don’t. At best, a lot of people have a vague idea of selective memory. But, the reality is much more complex—and much more interesting.

    Dr. Genova lays out clearly and simply the various different kinds of memory, how they work, and how they fail. Some of these kinds of memory operate on completely different principles than others, and/or in different parts of the brain. And, it’s not just “a memory for faces” or a “memory for names”, nor even “short term vs long term”. There’s working memory, explicit and implicit memory, semantic memory, episodic memory, muscle memory, and more.

    However, this is not just an interesting book—it’s also a useful one. Dr. Genova also looks at how we can guard against failing memory in later years, and how we can expand and grow the kinds of memory that are most important to us.

    The style of the book is very conversational, and not at all textbook-like. It’s certainly very accessible, and pleasant to read too.

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  • Take Care Of Your “Unwanted” Parts Too!

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    Meet The Family…

    If you’ve heard talk of “healing your inner child” or similar ideas, then today’s featured type of therapy takes that to several extra levels, in a way that helps many people.

    It’s called Internal Family Systems therapy, often “IFS” for short.

    Here’s a quick overview:

    Psychology Today | Internal Family Systems Therapy

    Note: if you are delusional, paranoid, schizophrenic, or have some other related disorder*, then IFS would probably be a bad idea for you as it could worsen your symptoms, and/or play into them badly.

    *but bipolar disorder, in its various forms, is not usually a problem for IFS. Do check with your own relevant healthcare provider(s), of course, to be sure.

    What is IFS?

    The main premise of IFS is that your “self” can be modelled as a system, and its constituent parts can be examined, questioned, given what they need, and integrated into a healthy whole.

    For example…

    • Exile is the name given to parts that could be, for example, the “inner child” referenced in a lot of pop-psychology, but it could also be some other ignored and pushed-down part of oneself, often from some kind of trauma. The defining characteristic of an exile is that it’s a part of ourself that we don’t consciously allow ourselves to see as a current part of ourself.
    • Protector is the name given to a part of us that looks to keep us safe, and can do this in an adaptive (healthy) or maladaptive (unhealthy) way, for example:
      • Firefighter is the name given to a part of us that will do whatever is necessary in the moment to deal with an exile that is otherwise coming to the surface—sometimes with drastic actions/reactions that may not be great for us.
      • Manager is the name given to a part of us that has a more nurturing protective role, keeping us from harm in what’s often a more prophylactic manner.

    To give a simple illustration…

    A person was criticized a lot as a child, told she was useless, and treated as a disappointment. Consequently, as an adult she now has an exile “the useless child”, something she strives to leave well behind in her past, because it was a painful experience for her. However, sometimes when someone questions and/or advises her, she will get defensive as her firefighter “the hero” will vigorously speak up for her competence, like nobody did when she was a child. This vigor, however, manifests as rude abrasiveness and overcompensation. Finally, she has a manager, “the advocate”, who will do the same job, but in a more quietly confident fashion.

    This person’s therapy will look at transferring the protector job from the firefighter to the manager, which will involve examining, questioning, and addressing all three parts.

    The above example is fictional and created for simplicity and clarity; here’s a real-world case study if you’d like a more in-depth overview of how it can work:

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    How it all fits together in practice

    IFS looks to make sure all the parts’ needs are met, even the “bad” ones, because they all have their functions.

    Good IFS therapy, however, can make sure a part is heard, and then reassure that part in a way that effectively allows that part to “retire”, safe and secure in the knowledge that it has done what it needed to, and/or the job is being done by another part now.

    That can involve, for example, thanking the firefighter for looking after our exile for all these years, but that our exile is safe and in good hands now, so it can put that fire-axe away.

    See also: On Being Reactive vs Being Responsive

    Questions you might ask yourself

    While IFS therapy is best given by a skilled practitioner, we can take some of the ideas of it for self-therapy too. For example…

    • What is a secret about yourself that you will take to the grave? And now, why did that part of you (now an exile) come to exist?
    • What does that exile need, that it didn’t get? What parts of us try to give it that nowadays?
    • What could we do, with all that information in mind, to assign the “protection” job to the part of us best-suited to healthy integration?

    Want to know more?

    We’ve only had the space of a small article to give a brief introduction to Family Systems therapy, so check out the “resources” tab at:

    IFS Institute | What Is Internal Family Systems Therapy?

    Take care!

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  • Chia Seeds vs Pumpkin Seeds – Which is Healthier?

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    Our Verdict

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    Both are great! But chia is best.

    Note: we’re going to abbreviate them both to “chia” and “pumpkin”, respectively, but we’ll still be referring to the seeds throughout.

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    In the category of minerals, for which pumpkin seeds are so famously a good source, chia has a lot more calcium, copper, iron, magnesium, manganese, phosphorus, and selenium. On the other hand, pumpkin has more potassium and zinc. Still, that’s a 7:2 win for chia.

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    You might like to read:

    If You’re Not Taking Chia, You’re Missing Out: The Tiniest Seeds With The Most Value

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    Jonathan Frakes Asks You Things” Voice:

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    Morning Routines That Just FLOW

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  • Coconut vs Avocado – Which is Healthier?

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    Take care!

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