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Why Doesn't Exercise Lead To Weight Loss?

antdude writes "The New York Times' Well blog reports that 'for some time, researchers have been finding that people who exercise don't necessarily lose weight.' A study published online in September 2009 in The British Journal of Sports Medicine was the latest to report apparently disappointing slimming results. In the study, 58 obese people completed 12 weeks of supervised aerobic training without changing their diets. The group lost an average of a little more than seven pounds, and many lost barely half that. How can that be?"

4 of 978 comments (clear)

  1. Well don't eat 9000 pounds of pizza and McDonalds by Anonymous Coward · · Score: -1, Troll

    ...then you will lose weight.

    If your caloric intake is still more than what you're burning from exercise, of course you won't lose weight. Don't eat so much, fatty.

    You might weigh more, since you will develop muscle. Muscle weighs more than fat.

    If your diet is reasonable you can burn more calories than you take in, which causes weight loss. If you are fat, you eat too much, which is why you need to lose weight in the first place. Stop eating so much, fatty.

  2. Re:Your body doesn't have a 100% conversion factor by Anonymous Coward · · Score: -1, Troll

    Putting stuff in your mouth is just step one. How you chew your food, how well it is digested, how active your metabolism is, all these will affect how much energy you actually get out of your food.

    Still, physics still stand: Use more energy than you get through food you _will_ lose weight.

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  3. Re:Hackers Diet FTW. by caluml · · Score: 0, Troll

    You know what's really happening? YOU'RE STARVING YOURSELF. Call it whatever the fuck you want, but this isn't a diet, it's just not eating.

    Yes, it's inducing your body's natural method of converting fat to energy. The food you do eat is carefully produced and calculated to give you just enough energy to get through the day while staying in ketosis. I read up thoroughly about it before going on it. Still, get angry, why don't you?

  4. Re:Hackers Diet FTW. by Bysshe · · Score: 0, Troll

    sleep-eating is a serious problem. don't mock it.

    --
    Read what I mean, not what I wrote.