With every stride that hits pavement, the bones in a runner's legs break down. Every muscle fiber is damaged from the effort it takes to propel the body forward. Yet when the runner is no longer ...

Research on the biological basis of addiction has found that the critical epigenetic enzyme histone deacetylase 5 (HDAC5) limits the expression of the gene Scn4b, regulating neuronal activity and ...

When you're hungry, ghrelin hormone levels increase in your stomach and other parts of your body. Learn what causes its ...