Exercise Changes DNA, Study Says

Scientists compared genes post exercise

Mar 7, 2012
Outside
Outside Magazine

Even small amounts of exercise can change a person's DNA, according to a study published Wednesday by researchers at the Karolinska Institute in Stockholm, Sweden. The study examined muscle cell samples from relatively sedentary men and women before and after a short but intense workout on a stationary bike. Although the subject's underlying genetic code did not change, more genes were activated in the post-exercise cell samples. These genes are known to be significant for muscles to adapt to exercise. The researchers said caffeine also produces a similar result, but not at a high enough level to replace exercise.

Read more at TIME

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