One might expect identical twins to have the same health outcomes. But it's not just genetics that makes a notable difference in their weight and in how their genes behave, according to a new study.

The results suggested even a short exercise program in subjects with pre-existing metabolic disease was enough to substantially alter their skeletal muscle genetic profiles to more closely resemble ...

In a new study, participants underwent an intense bout of exercise after both normal sleep and after three nights of curtailed sleep. When they exercised after curtailed sleep, the levels of the heart ...