A new study shows the tradeoff between power and efficiency in muscles is governed by proteins that form a molecular tuning ...

If you’re looking for a no-fuss, minimal-kit approach to getting strong and packing on some muscle, then investing in a pair of dumbbells is the way forward. This dumbbell-only workout from ...

A heart attack occurs when something severely reduces or completely cuts off the blood flow that brings oxygen to the heart muscle ... If you don't have a panic attack diagnosis and are ...