Exercise and Food Intake

Diposting oleh good reading on Senin, 16 April 2012

The New York Times just published an article reviewing some of the recent research on exercise, food intake and food reward, titled "Does Exercise Make You Overeat?".  I was planning to write about this at some point, but I don't know when I'd be able to get around to it, and the NYT article is a fair treatment of the subject, so I'll just point you to the article.

Basically, burning calories through exercise causes some people to eat more, but not everyone does, and a few people actually eat less.  Alex Hutchinson discussed this point recently on his blog (1).  Part of it depends on how much fat you carry-- if you're already lean, the body is more likely to increase hunger because it very much dislikes going too low in body fat.  Most overweight/obese people do not totally make up for the calories they burn through exercise by eating more, so they lose fat.  There is a lot of individual variability here.  The average obese person won't lose a substantial amount of fat through exercise alone.  However, everyone knows someone who lost 50+ pounds through exercise alone, and the controlled trials support that it happens in a minority of people.  On the other side of the spectrum, I have a friend who gained fat while training for a marathon, and lost it afterward. 

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