Fitness basics
Learning Center
Broken collarbone
This common injury is usually the result of falling, playing sports or being in a traffic accident.
Bridge pose
Try this simple yoga pose to increase the flexibility in your back.
Breastfeeding and medications: What's safe?
Understand which medications are safe to take while breastfeeding.
Brachial plexus injury
Learn about these nerve injuries that usually result from auto or motorcycle accidents, and find out which procedures can help restore arm function.
Bone marrow biopsy and aspiration
Learn what to expect with these tests, which are done to make sure your bone marrow is healthy.
Bone cancer
Bone cancer most commonly affects the long bones in the arms and legs. Some types happen mostly in children, while others affect mostly 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.
Blood pressure tip: Get more potassium
Want to lower your blood pressure? Cut back on sodium in your diet and add more potassium. Sodium increases your blood pressure. Potassium can reduce the effects of sodium on blood pressure. Many fruits and vegetables are good sources of potassium, including bananas, strawberries, cantaloupe, spinach, peas and tomatoes.
Blood pressure medication: Still necessary if I lose weight?
Losing weight may reduce or end the need for blood pressure medicine.
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.
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