A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a ...

A leg bypass surgery may be necessary if fatty deposits have clogged a blood vessel, impeding blood flow through the leg. During this surgery, doctors will create a new pathway for blood to travel. If ...

When you rise up onto your toes and lower back down, your calf muscles squeeze the veins in your lower legs. This action pushes used blood upwards against gravity, helping it return to your heart inst ...