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Leg veins carry blood from your feet back to your heart. If a vein is damaged, blood flow back to the heart is reduced. As a result, you may develop vein problems in your legs.

A central line is often used instead of a standard I.V. line when you need treatment for longer than a week or so. The line can send medicine or nutrition right into your bloodstream.

It's important to take proper care of your central venous access device. Here's how.

Before hemodialysis can be done, a way for blood to leave and return to your body (an access) is needed. A hemodialysis access is often made in your arm. The 2 main types of accesses are an arteriovenous fistula (AV fistula) and an arteriovenous graft (AV graft).

Your healthcare provider will teach you how to care for your catheter and exit site. Good care is important to prevent infection. If an infection occurs, the catheter may have to be taken out. A new one will have to be put in at a later date.

When the carotid arteries are healthy, the brain gets all the oxygen and nutrients it needs to function well. If the carotid arteries are damaged, however, it can greatly increase your chances of stroke.

The body needs some potassium to keep the heart working normally. But if your kidneys don't work well, potassium can build up in your blood. It can be serious and even deadly if the levels go up too high. By controlling the amount of potassium you eat, you can keep a safe level in your blood.

By controlling the amount of potassium you eat, you can keep a safe level in your blood. Here are cooking tips and a list of hidden sources of potassium.

If you have kidney disease, phosphorus may build up in your blood. Excess phosphorus in the body tends to bind with calcium and gets deposited in blood vessels and other organs. This can lead to renal bone disease.