Peripheral vascular disease (PVD) is a blood circulation disorder that causes some of your blood vessels to narrow, block, or spasm. Some lifestyle changes, such as exercising and quitting smoking, ...

Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Many people know ...

Peripheral artery disease (PAD) is a type of peripheral vascular disease (PVD). PVD involves various blood vessels outside the brain and heart. PAD refers to narrowed or blocked blood vessels that ...

It is possible for blood type to change, and in some cases, this can happen without a blood transfusion. When someone is born, their blood type is determined, so everyone should know what their blood ...