STUDY: FOR SOME, EXERCISE MAY INCREASE HEART RISK

by Theresa , Thursday, May 31, 2012, 07:26

Could exercise actually be bad for some healthy people? A well-known group of researchers, including one who helped write the scientific paper justifying national guidelines that promote exercise for all, say the answer may be a qualified yes.

By analyzing data from six rigorous exercise studies involving 1,687 people, the group found that about 10 percent actually got worse on at least one of the measures related to heart disease:blood pressure and levels of insulin, HDL cholesterolortriglycerides. About 7 percent got worse on at least two measures. And the researchers say they do not know why.

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