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6

All models are wrong, but some are useful. The same is true for the body mass index. In general, people with a higher BMI have a higher chance of getting obesity-related illnesses than those with a BMI in the 18-25 range. But of course, there are exceptions like the one you mention. That's no reason to discard the entire BMI, because it does work in many ...


5

BMI is absolutely NOT a good indicator of health. At least not on its own. It is made up of two measurements only: height and weight. Height is a stable property, and a person cannot do anything about it (nothing physiological and permanent, at any rate). Body weight, however, is comprised of different types of tissues in the body, most notably fat and ...


4

Fat is a lay non medical term. Obesity is defined as a BMI > 30 in adults What are overweight and obesity? Overweight and obesity are defined as abnormal or excessive fat accumulation that may impair health. Body mass index (BMI) is a simple index of weight-for-height that is commonly used to classify overweight and obesity in adults. It is defined as a ...


3

What you are seeking cannot in scientific terms exist. The reason is that obesity is caused by a combination of the issues you are talking about. The term "poor diet" is a general term which can mean different things in different circumstances and in different contexts. A diet high in sugars would be very poor for someone who is diabetic, for ...


3

Short answer They found a drug that kills adipose cells in a dish. It also kills other cells. Longer answer The Tung et al paper you cite says that when you put this compound on cultured adipocytes, mature adipocytes and preadipocytes die. According to the authors, the mature cells are most susceptible, and they report that fibroblasts are less ...


3

Let's not conflate two different problems with BMI here. One the one hand you can have a low body fat percentage and still have a high BMI, but that only applies to body builders who exercise at a near professional level. Such a person will not get wrongly diagnosed by his or her doctor of being overweight. So, this shouldn't be a problem, however, as Carey ...


2

Hanging skin is typical when weight loss is sudden or too fast. Skin is elastic, remember, so over time it'll shrink or expand as necessary but if you're losing weight too quickly, your skin won't have the time it needs to adapt. When losing weight, you'll obviously be working to decrease your calorie intake to a deficit of what your body needs to maintain ...


2

Hunger is far more complicated than "my weight is below normal for my height, I should eat now." It's not some sort of correction mechanism that turns on and off to make your weight go up and down. On a first approximation, you feel hungry because your stomach is empty and/or your blood sugar is low. People can drink water or eat lettuce to fill up their ...


2

Can working to lose weight, as opposed to neglecting this, cause considerable stress? Not necessary, according to the following review. Diet-Induced Weight Loss Has No Effect on Psychological Stress in Overweight and Obese Adults: A Meta-Analysis of Randomized Controlled Trials (Nutrients, 2018) This systematic review and meta-analysis of randomized ...


2

There are various processes that influence weight gain based on calorie intake. It is in general clear that a severe reduction in calories (well below your body's basal needs) reduces weight in the longer term. I'm not sure any other scenario has consequences that are the same for all people. An important factor is actual intake. Based on your genetics, ...


2

The amount of calories someone consumes is just one side of the coin - you have to consider how many of those calories they are actually expending. The most visible element of that is the amount of activity the person is doing - exercise for example. Imagine two otherwise identical people (Alex and Bob) who have both consumed say 2000 calories. Alex spends ...


2

As far as medical conditions, it could be a thyroid problem, or the need to encourage serotonin, and I am sure many other things a doctor would know about so ask a doctor. Another article: magnesium & obesity https://pubag.nal.usda.gov/pubag/downloadPDF.xhtml?id=46295&content=PDF People should be aware it is calcium, Vitamin D ratio with magnesium!...


2

In short: You can have a high BMI (weight in kg/height in m squared) due to: Excessive fat Large muscle mass developed by training "Large frame size," which is genetic, and includes thick bones, relatively lot of muscle mass ad large internal organs. With this large frame, you can have a high BMI without excessive fat, but for BMI as high as 30.4, you would ...


1

The human brain has a specific anatomic site called Nucleus accumbens, that is responsible for reward and reinforcement behavior. The neurotransmitter Dobutamine could be considered as a main molecular mechanism for reward behavior. You can find more information on https://en.wikipedia.org/wiki/Nucleus_accumbens. A stimulus, e.g. eating, can be linked to a ...


1

From the title of the question: What are most probable causes of obesity? There is a single cause of obesity: greater amount of calories consumed then burned. From the body of the question: Out of 100 obese people, how many eat more calories, how many are not physically active enough...: This is not possible to answer because: High calorie intake alone ...


1

You should not use QOF data for epidemiological measures. Differences may occur because QOF registers do not necessarily equate to prevalence as may be defined by epidemiologists. For example, recorded prevalence figures based on QOF registers may differ from prevalence figures from other sources because of coding or definitional issues via QOF ...


1

Excessive calorie intake results in an increase of the body fat tissue but not muscle or bone tissue. Obesity does not make your bones thicker or longer. I don't have any source to back up this, but fat accumulates in fat cells and there are no or very few fat cells in the bone walls. In adults with acromegaly, which is a hormonal disorder caused by ...


1

As well as any other measurements it doesn't say much on it's own. You need to use it along with other personal details (and measurements) to get some meaning of it. One of the problems with BMI is that muscle weighs more than fat, so athletes (specially the ones that practise sports that rely on strength) tends to break the BMI meaning. It work well in ...


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