Talking to kids about sex
Learning Center
Benign adrenal tumors
Most of these tumors need no treatment, but some do. Learn about diagnosis and treatment options.
Benign peripheral nerve tumor
Learn more about the different types of tumors that grow on or around the nerves that link to the brain and spinal cord.
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.
Bipolar disorder and alcoholism: Are they related?
These disorders often occur together, and they can be a dangerous mix. Having both conditions makes mood swings, depression, violence and suicide more likely.
Bipolar disorder in children: Is it possible?
Bipolar disorder in children and teenagers is possible. Finding it early and treating it can help.
Bladder outlet obstruction: Causes in men?
Find out more about the causes of male bladder outlet obstruction and possible next steps.
Blepharitis
This often chronic eyelid condition can be difficult to treat. It might be uncomfortable, but it doesn't usually damage eyesight and isn't contagious.
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.
Body lice
Body lice are tiny insects that live in your clothing and feed on your blood. Find out how to treat and prevent this itchy nuisance of a bug.
Bone and joint problems associated with diabetes
If you have diabetes, you're at increased risk of various bone and joint disorders.
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