Fitness basics
Learning Center
Annuloplasty
If you have a leaky heart valve, this treatment to repair a ring around the valve may be recommended. Learn when and how it's done.
Anorexia nervosa
People with this eating disorder have a very low body weight, an intense fear of gaining weight and a flawed way of seeing their body.
Anorgasmia in women
Anorgasmia is regular difficulty having an orgasm after plenty of sexual stimulation. It affects many women, causing distress.
Anterior vaginal prolapse (cystocele)
Anterior prolapse happens when the pelvic floor muscles weaken and the bladder pushes into the top front part of your vagina. Learn how it's treated.
Anthrax
Learn about the symptoms and risks of anthrax, a rare but deadly bacterial disease that's been used in bioterrorism.
Anti-seizure medications: Relief from nerve pain
Anti-seizure drugs designed to treat epilepsy often are used to control nerve pain associated with diabetes, shingles, and other types of nerve damage.
Antibiotic-associated diarrhea
Learn more about why you might get diarrhea while taking antibiotics, as well as how to treat or prevent this uncomfortable and sometimes serious problem.
Antibiotics and alcohol
Alcohol doesn't make antibiotics less effective. But it's still a good idea not to drink alcohol while taking antibiotics.
Antibiotics and pregnancy: What's safe?
Learn about common types of antibiotics used during pregnancy and their safety.
Antibiotics: Are you misusing them?
The overuse of antibiotics creates antibiotic-resistant germs. Protect yourself and others by using antibiotics wisely.
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