Exercise

Maybe this will [motivate:navigate] you to work out. New research [supports:strength] the idea that you don't need to spend hours at the gym everyday for your body to start feeling the [positive:negative] effects of exercise. In fact, a [single:bingo] session on a stationary bike can affect your very DNA. Okay, so your actual genetic code won't morph into that of Conan the Barbarian. But exercise sets signals in motion almost instantly that determine which [genes:picnic] get turned on and off. These what-are-called epigenetic changes signal to the muscles to, well, tone up. The study is in the journal Cell Metabolism. Researchers recruited 14 men and women in their mid-20s who didn't usually [exercise:practice] . After a short but intense [spin:protein] on a bike, samples of their muscle tissue showed; temporary, but big, changes in several types of epigenetic signals.