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Exercise & Weight Loss.

When people exercise, they often don't lose as much weight as scientists expect. To find out why, researchers randomly assigned 171 sedentary overweight or obese people to burn:

* A: no extra calories,

* B: roughly 100 extra calories a day, or

* C: roughly 250 extra calories a day.

All exercise sessions were monitored.

After six months, group A had lost 1/2 pound, group B had lost about 1 pound, and group C had lost 3 1/2 pounds. Based on how much the groups exercised, the researchers calculated that group B should have lost another 3 pounds and group C should have lost another 6 pounds. What happened? The people in groups B and C "compensated" for the exercise by eating roughly 100 extra calories a day.

What to do: If you want to lose weight, eat less. And exercise to lower your risk of type 2 diabetes, heart disease, stroke, some cancers, bone loss, muscle loss, and more.

Am. J. Clin. Nutr. 2019. doi:10.1093/ajcn/nqz054.

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Title Annotation:Quick Studies: A snapshot of the latest research on diet, exercise, and more.
Publication:Nutrition Action Healthletter
Geographic Code:1USA
Date:Sep 1, 2019
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