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 ...

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.

Do I have to alter my exercise routine as I get older? ABC News chief medical correspondent Dr. Jen Ashton answers your health questions and shares her daily prescription for wellness. February 9, ...

Some types of masks are better than others when exercising in crowded spaces. By Gretchen Reynolds Wearing a mask during exercise reduces the risk that we will infect someone else with the novel ...

The extensive molecular changes that occur during and after working out underscore how consequential activity is for our bodies and health. By Gretchen Reynolds When we exercise, the levels of ...