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Posts Tagged ‘weight’

Is Obesity A Disease?

Friday, April 2nd, 2010

As we all know, there are a lot of obese Americans – 33% of adults and 16% of kids. Another 33% of adults are overweight, at least some of whom could be considered pre-obese. Memphians are all too aware of this, since we are considered one of the most obese cities in the country.

The World Health Organization and both the US Food and Drug Administration and National Institutes of Health all consider obesity to be a disease. The arguments for this are that obesity impairs body function, decreases life expectancy, and can be inherited. If you compare obesity to hypertension, their causes and effects are very similar. But hypertension is internal to the body and unseen from the outside, while obesity is very apparent to the eye, and we as a society are prejudiced against obesity and obese people.

The flip side is that the most common causes of obesity are matters of personal choice and that many obese people do not have the impairments or conditions that obesity can cause. Obesity triggers other diseases but is not a disease in and of itself. This side of the argument states that we can control the causes of obesity.

What do I think? Well I’m just a personal trainer and this is a complicated issue. I agree with both sides. There are some people who have the knowledge and ability to maintain a healthy weight, but don’t. There are others who are economically and/or educationally disadvantaged and don’t know how – but could if they did. Some people have psychological or emotional conditions that interfere with weight control. Some inherit the genes that make weight control difficult.

It is interesting to me that both sides of the argument say that we as a society have to do a much better job of incenting the production and consumption of healthy foods in healthy amounts instead of unhealthy ones in huge amounts. And we have to value using our bodies for movement instead of sedentariness. Both sides advocate healthy eating and exercise for all people – obese, overweight, normal weight or underweight. So I make out either way!

What do you think?

Fit and Fat?

Friday, February 5th, 2010

Yes, it’s possible to be both. It’s also possible to be underweight (or at a healthy weight) and overfat.

How can it be? If a person has a good BMI (Body Mass Index), doesn’t that mean they are healthy? Not necessarily.

BMI is a commonly used tool to estimate risk associated with being overweight or obese, but it has always been seen as a quick and dirty tool, not a definitive measure. Now we are seeing why.

Normal weight but over fat

Researchers at the Mayo Clinic have found that as many as half the normal weight people in America have too much body fat, and thus have an increased risk for diabetes, heart disease and other lifestyle conditions. This is because much of their body fat is visceral, which is deeply deposited, most often around the belly, and which produces triple the bad chemicals of other types of body fat. Visceral fat is the kind normal weight people have – it builds up without changing our total weight because it replaces muscle that is naturally lost as we age.

Fit and fat

A 2008 report in the Journal of Internal Medicine showed that half of all overweight people and 1/3 of obese people (as defined by BMI) are actually healthy in terms of risk. Their blood pressure and body chemistry numbers are good.

So, if BMI does not work as a predictor of health or disease risk, what does?

EXERCISE!!! I’m a personal trainer, what did you think I would say? People with the lowest fitness level are 4 times more likely to die than those with the highest level. Fitness level at any weight is the single strongest predictor of your risk of dying. A minimum level of fitness is all that is needed – just one healthy habit! (took me a while to get that in…)

Cmon people, get off the scales and put your shoes on!

 

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