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The science is in: Exercise isn’t the best way to lose weight

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We have this idea that if we want to lose weight, we join a gym on January 1st, we start

working out regularly, and eventually we’ll slim down.

Well, here’s some bad news. I read more than sixty studies on this, and

it turns out exercise is actually pretty useless when it comes to weight loss.

Dr. Kevin Hall at the National Institutes of Health has done some of the most important studies

on exercise and weight loss We need to rebrand exercise … exercise isn’t

a weight loss tool per se, it's excellent for health is probably the best single thing

that you can do other than stopping smoking to improve your health.

But don’t look at it as a weight loss tool. Exercise will definitely help you live a longer,

happier life…. It’s just not the best way to lose weight. And the reason has to

do with how our bodies use energy. You may not realize it, but physical activity

is actually a tiny component of your daily energy burn.

There are three main ways our bodies burn calories.

These include your resting metabolism, so that's how much energy your body burns just

for its basic functioning, just to keep you alive, basically.

The other part of energy expenditure is the thermic effect of food, and that’s just

how much energy is required to break food down in your body.

The third part of energy expenditure is physical activity.

For most people, physical activity - that’s any movement you do, only accounts for about

10 to 30 percent of energy use. So the vast majority of energy or calories

you burn every day comes from your basal or resting metabolism, over which you have very