The right cardio machine for you may depend on your goals. Ellipticals reduce pressure on your joints, while treadmills can ...

Testicular atrophy means the testes inside the scrotum ("ball sack") shrink. It is a treatable medical condition. Learn how ...

Xylitol is a natural sugar alcohol found in fruits and veggies. It tastes sweet and is a great diabetes-friendly alternative ...

A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...