Mice Show

Mice Show

Always finding excuses to skip the gym? Congrats—you might be able to blame your genes. Because the mere desire to exercise may be inherited, at least in mice. So says a study in the journal Proceedings of the Royal Society B. [Theodore Garland Jr. et al, http://bit.ly/crWNGd]

The experiment started back in 1993 with 224 mice, divided into eight groups. In four of the groups, the researchers mated the males and females that logged the most distance on their exercise wheels. For the other four groups, they just randomly bred the mice.

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