SEARCH

Risk factors are things that make you more likely to have a disease or condition. Find out about risks you might have for high blood pressure and which ones you can change.

Learn about the kidneys--where they're located, how they filter waste from the blood, and their other roles in keeping the body healthy.

The kidneys' main job is to clean the blood. They filter wastes and excess fluids from thousands of pints of blood each day. Learn about their other roles as well.

Hemodialysis is a type of treatment for kidney failure (also called end-stage kidney disease or ESRD). It uses a machine that holds a filter called a dialyzer. As blood flows through the dialyzer, waste is removed and fluid and chemicals are balanced. Hemodialysis treatments are usually done at a special dialysis center.

A varicocele is when the veins in your scrotum are enlarged. Your doctor may advise surgery or another procedure to close off the enlarged veins. Read on for more details about these treatments.

During heart valve surgery, one or more valves are repaired or replaced. Repair means that the valve is mended to help it work better. Replacement means your diseased valve is removed and a new valve is inserted in its place.

Information on when to seek medical help and what to do while you wait after someone receives an electrical shock.

As you age, you are more likely to get flashes and floaters in your vision. Here is an explanation of what these are and when to get medical care.

Glaucoma is an eye disease that can cause blindness. It often begins when pressure builds up in the eye. If caught early, it can often be controlled. But it often has no symptoms, so you need regular eye exams.