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An abdominal aortic aneurysm is when a weak area in the aorta swells up like a balloon. It can cause…
Abnormal uterine bleeding is heavy or unusual bleeding from the uterus (through your vagina) throughout a woman’s monthly cycle.
Abusive head trauma (shaken baby syndrome) is a form of child abuse that can be deadly or leave a baby…
ACL injuries have become more common among athletes, women, and children. PEP training programs can help with prevention.
Acne is a common skin condition that develops when the hair follicles in your skin are blocked by dead skin…
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…
Adhesive capsulitis is known as frozen shoulder. It causes shoulder pain and stiffness, due to surgery, injury, and some medical…
Learn how alcohol affects your health, and how to tell when alcohol abuse and dependence are problems for you.
Allergic conjunctivitis is called “pink eye.” It causes your eye to become irritated, swollen, itchy, sore, and watery.
Learn about the symptoms, causes, diagnosis, treatment and prevention of allergies and allergic rhinitis (hay fever).
Alopecia areata is a disease of your immune system that causes unpredictable hair loss and emotional challenges.
What is Alzheimer’s disease? Alzheimer’s disease is a type of dementia. Dementia is a condition that describes a wide range of symptoms. The symptoms are associated with physical and functional changes in the brain. Dementia usually affects a person’s memory, thinking
Amblyopia (lazy eye) develops in childhood when one eye doesn’t work properly with the brain. Left untreated, it can lead…
Amenorrhea is the absence of menstruation or a monthly period. Learn about the various causes and treatments for primary and…
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…
Learn about the causes and treatment of anaphylaxis, a severe, life-threatening allergic reaction.
Anemia is a common blood disorder that affects your red blood cells. Learn about the types, causes, treatments, and prevention…
Learn about the symptoms, causes, diagnosis, treatment and prevention of angina (chest pain).American Heart Heart, Lung, and Blood Institutehttp://www.nhlbi.nih.gov
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