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Abdominal Aortic Aneurysm (AAA)
An abdominal aortic aneurysm is when a weak area in the aorta swells up like a balloon. It can cause…
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Abnormal Uterine Bleeding
Abnormal uterine bleeding is any heavy or unusual bleeding from the uterus (through your vagina). It can occur at any…
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Abusive Head Trauma
Abusive head trauma (shaken baby syndrome) is a form of child abuse that can be deadly or leave a baby…
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ACL Injury
ACL injuries have become more common among athletes, women, and children. PEP training programs can help with prevention.
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Acne
Acne is a common skin condition. It causes bumps on the skin known as pimples to appear on the face…
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Acute Bronchitis
Learn about the symptoms, causes, treatment and prevention of acute bronchitis, a lung infection usually caused by a virus.
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Addison’s Disease
Addison’s disease is a condition that affects your body’s adrenal glands. It interferes with your body’s ability to produce certain…
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Adhesive Capsulitis
Adhesive capsulitis, or frozen shoulder, is the condition that occurs when inflammation in your shoulder eventually leads to difficulty moving…
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Adult ADHD
Adult ADHD does exist but may look slightly different than it does in children.
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AIDS
AIDS is a life-threatening condition caused by HIV. The virus attacks the body's immune system. Learn about AIDS, its treatment,…
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Alcohol Abuse
Alcohol abuse is a pattern of drinking too much alcohol too often. This can harm your work, school, and…
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Allergic Conjunctivitis
Allergic conjunctivitis occurs when you’re around things you’re allergic to. These allergens can make your eyes swollen, irritated, and…
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Allergic Rhinitis (Allergies)
Allergic rhinitis is the medical term for hay fever or allergies.
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Alopecia Areata (AA)
Alopecia areata is an autoimmune disease that causes you to lose small, round patches of hair on your head.
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Alzheimer's Disease
Alzheimer’s disease is a type of dementia. The symptoms are associated with physical and functional changes in the brain.
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Amblyopia
Amblyopia (lazy eye) develops in childhood when one eye doesn’t work properly with the brain. Left untreated, it can lead…
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Amenorrhea
Amenorrhea is a medical term for when a woman does not have menstrual periods.
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Anal Fissure
Anal fissures are small tears in the lining of the lower rectum. They are usually caused by straining during a…
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Anal Fistulas
An anal fistula is an abnormal connection that forms between the anus and the skin outside of it. It usually…
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Anaphylaxis
Anaphylaxis is a life-threatening allergic reaction. Symptoms range from mild to severe, and immediate attention is necessary.