Understanding Circulation

Nonstop flow of blood from the heart to the body and back to the heart again is called circulation. Blood vessels are hollow muscular tubes that carry blood throughout your body, much like pipes circulate water in your home.

Understanding Chronic Venous Insufficiency

Problems with the veins in the legs may lead to chronic venous insufficiency (CVI). CVI means that there is a long-term problem with the veins not being able to pump blood back to your heart.

Prostate Biopsy

A core needle biopsy will be done if your healthcare provider thinks you have prostate cancer. Read on to find out how the biopsy is done, and how to care for yourself at home afterward.

Normal Breathing During Sleep

When you breathe, air travels through passages in your nose and throat. When these air passages are wide enough to let air flow freely, you breathe normally. Here are images of the nasal and throat passages.

Treating Pneumonia

Pneumonia is an infection of one or both of the lungs. Read on for information about pneumonia treatments and caring for yourself at home.

Preventing Pneumonia

Those most at risk for pneumonia include older adults, smokers, and people with chronic lung diseases. Here's what you need to know to protect yourself.

What Is Peyronie Disease?

A slight natural curve to the erect penis is usually normal. But curvature that causes pain and trouble having sex is a problem. The development of painful curvature is called Peyronie's disease.

Penile Self-Injection: Notes and Precautions

Penile self-injection is a simple method that may improve your sex life. Some men even find that self-injection leads to an increase in natural erections. If you have questions or concerns about self-injection or erectile dysfunction (ED), talk to your health care provider. The information on this sheet will help you get the best results.