Men

An abdominal aortic aneurysm is when a weak area in the aorta swells up like a balloon. It can cause…

Learn about the symptoms, causes, treatment and prevention of acute bronchitis, a lung infection usually caused by a virus.

Addison’s disease is a condition that affects your body’s adrenal glands. It interferes with your body’s ability to produce certain…

Attention-deficit hyperactivity fisorder (ADHD) is a group of behaviors that affects focus and self-control. Adults can have ADHD.

What is AIDS? AIDS (acquired immune deficiency syndrome) is a life-threatening condition caused by human immunodeficiency virus (HIV). The virus makes your body weak and unable to fight off infections. It does this by attacking your body’s immune system, killing CD4 cells

Alcohol abuse is a pattern of drinking too much alcohol too often. This can harm your work, school, and…

Allergic rhinitis is a reaction to allergens such as pollen. It causes nasal symptoms that can usually be treated with…

Alopecia areata is an autoimmune disease that causes you to lose small, round patches of hair on your head.

Anal fissures are small tears in the lining of the lower rectum. They are usually caused by straining during a…

An anal fistula is an abnormal connection that forms between the anus and the skin outside of it. It usually…

Anaphylaxis is a life-threatening allergic reaction that requires immediate medical attention.

Anemia is a common blood disorder that affects your red blood cells. Learn about the types, causes, treatments, and prevention…

Angina is a heart condition that causes chest pain or pressure.

An arrhythmia is a change in the rhythm of your heartbeat. Your heart may beat too fast, too slow, or…

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a genetic condition that causes abnormal heart rhythms. It is more common in people…

Asthma is a chronic disease of the lungs. It often starts in childhood and can be treated and managed with…

Babesiosis is an infection of the red blood cells. It’s caused by a parasite carried by deer ticks. It can…

Bacterial, or infective, endocarditis (BE) occurs in the valves and inner lining of your heart. Learn about the risk factors…

Barrett’s esophagus is a condition often caused by GERD (gastroesophageal reflux disease). Learn how to help prevent and treat…