Healthy pregnancy
Learning Center
Blocked tear duct
Watery, irritated eyes may occur when your tears can't drain normally. Learn about this common eye condition that affects newborns and sometimes, adults.
Bladder cancer
Blood in the urine (hematuria) sometimes is a sign of bladder cancer. Learn about other bladder cancer signs and symptoms and explore treatment options.
Bicuspid aortic valve
This condition, present at birth, affects the valve between the lower left heart chamber and the body's main artery. Know the symptoms and treatment.
Benign prostatic hyperplasia (BPH)
This common problem, also known as an enlarged prostate, can be treated.
Belly fat in women: Taking — and keeping — it off
Belly fat is more common after menopause. Find out why and learn how to keep it off.
Bedsores (pressure ulcers)
These areas of damaged skin and tissue are caused by sustained pressure — often from a bed or wheelchair — that reduces blood flow to vulnerable areas of the body.
Basal cell carcinoma
Learn about symptoms, treatment and prevention of this common skin cancer that often occurs on the head and neck.
Balance exercises
Balance exercises can improve your balance and help prevent falls. See how they're done.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Back pain during pregnancy: 7 tips for relief
Ease a painful or achy back while pregnant with these simple tips.
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