Exercise harmful for healthy people?

May 31, 2012 2:07:51 PM PDT
Could exercise be bad for some healthy people? New research suggests that could be true.

A group of researchers analyzed data from six rigorous exercise studies involving more than 1,600. They discovered about 10 percent actually got worse on at least one of the measures related to heart disease. About 7 percent got worse on at least two measures. But researchers say they don't know why.

Critics of the study say it may give people another excuse not to exercise.

The study is published in the journal PLoS ONE.


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