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Gym Rats Can Thank Their DNA

Desire to work out linked to genes, twin study suggests

By Mat Probasco,  Newser Staff

Posted Sep 7, 2009 4:49 AM CDT

(Newser) – People driven to pump iron or chill out on the sofa may differ as much in their DNA as they do in their activity levels, reports the Los Angeles Times. Scientists have discovered that identical twins are twice as likely to have similar workout habits...   Read full story »

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