In-depth

ACL injury

An active life that includes sports may also include the risk of a torn ACL. Reduce your risk, and know when to get treatment.

Acute kidney failure

Acute kidney failure is the sudden loss of your kidneys' ability to filter waste from your bloodstream. Correcting the underlying cause increases the likelihood of recovery.

Anorexia nervosa

Find out what's behind this life-threatening eating disorder and how to treat it.

Arteriovenous fistula

An arteriovenous fistula is a treatable blood vessel condition in which your blood doesn't flow normally through your capillaries. Untreated, it can lead to complications.

Atrial septal defect

Atrial septal defect (ASD) is an abnormal opening between the heart's upper pumping chambers. It's common and readily treated.

Baker's cyst

A Baker's cyst is a swollen area behind your knee. Treating the primary cause — such as arthritis or a cartilage tear — usually helps relieve pain.

Behcet's disease

Behcet's disease affects several body systems and causes a variety of signs and symptoms. Find out what it is and how it's treated.

Cardiomyopathy

Cardiomyopathy is a heart muscle disease. Treatment options depend on what type of cardiomyopathy you have.

Cirrhosis

Alcohol abuse and hepatitis C infection are the leading causes of cirrhosis — a life-threatening condition that leads to irreversible liver scarring.

Congenital heart defects in children

Children who have a congenital heart defect have a structural flaw in the heart. Congenital heart defects in children are rare, but often treatable.

Deep vein thrombosis

Deep vein thrombosis occurs when a blood clot forms in veins deep in your body. Recognize the symptoms of this potentially dangerous condition.

Ebstein's anomaly

Ebstein's anomaly is a rare heart defect. Some people may not have any symptoms, but others may need treatment, including surgery.

Hamstring injury

Hamstring injury — Comprehensive overview covers symptoms, treatments, self-care, prevention of this leg muscle injury.

Hashimoto's disease

Hashimoto's disease (chronic lymphocytic thyroiditis) causes thyroid gland inflammation and often an underactive thyroid (hypothyroidism). Treatment may involve thyroid hormone replacement medication.

Heart disease

Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.

Knee pain

Find out what could cause knee pain.

Membranous nephropathy

Your kidney's filtering system is damaged and valuable proteins leak from the body.

Myocarditis

Myocarditis is a disease in which the heart muscle becomes inflamed and swollen, often as the result of an infection.

Neuroblastoma

Neuroblastoma most commonly affects children age 5 and younger. It's the most common form of cancer in babies.

Osgood-Schlatter disease

Osgood-Schlatter disease can cause pain, swelling and tenderness below the kneecap. This common condition often affects young athletes involved in running, jumping and bending activities.

Posterior cruciate ligament injury

Less common than an ACL knee injury, a torn posterior cruciate ligament can be painful and sideline you for months. Find out more.

Prostate cancer

Prostate cancer is a common cancer affecting men. But with early detection, you improve your chances of successful treatment.

Pulmonary embolism

Pulmonary embolism occurs when one or more arteries in your lungs become blocked. Surgery, cancer, family history and long airplane trips may place you at risk.

Varicose veins

Varicose veins are enlarged veins commonly found close to your skin's surface. Self-help measures can prevent them from getting worse; removing them is an option.

Ventricular septal defect

A ventricular septal defect (VSD) is an abnormal opening between the heart's lower chambers. Untreated, this congenital defect may cause heart failure and pulmonary hypertension.

Water on the knee

Water on the knee refers to excess fluid inside or around your knee joint. Find out what causes this common knee problem.

Wilson's disease

In Wilson's disease, the body doesn't metabolize copper properly, causing excess amounts to accumulate in the liver and other organs.

Apr. 11, 2014