Exercise can reverse damage to sedentary, aging hearts and help prevent risk of future heart failure -- if it's enough exercise, and if it's begun in time, according to a new study by cardiologists.

According to PhysicaPlus: “… [Dr. Shaviv’s] research interests cover a wide range of topics in astrophysics. Most are related to the application of fluid dynamics, radiation transfer or high energy ...

Back in the 1960s, conservatives – whether political candidates, policy groups, or activist organizations – had no way to get their message past the filter of the liberal mainstream media and into the ...