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Archive for August 6th, 2008

Calories In – Calories Out

There is general agreement that the US, and the West in general, is in the midst of an obesity epidemic. Even if you think this is alarmist or overstating the situation, the data clearly shows a steady expansion of the American waistline. Weight loss is a multi-billion dollar industry and is an active area of research, and yet all the self-help books, low-carb diets, and whole grain foods do not seem to be translating into successful weight loss for the public. Why is this?

From my perspective the failure of the weight-loss industry and public health measures is due to a failed approach – focusing on factors that have a small overall effect on weight loss while neglecting those that have a huge impact.

From an individual perspective, weight loss is simple (although not easy). It is a matter of calories in vs calories out – you cannot escape this equation. This means eating less and moving more. Simple, basic strategies to help reduce caloric intake seem to be the most effective. This means portion control, and limiting calorie-dense foods. The latter requires knowing how many calories are in food you are likely to consume (that Starbucks Mocha Breve has 580 calories). Limiting total caloric intake also means keeping track of how much you eat – which is deceptively difficult to do. Most people fail on diets because they simply underestimate their total caloric intake.

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Posted in: Public Health

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