Preschoolers
Learning Center
Breast cancer
Learn about this common cancer, including information on prevention, symptoms, diagnosis and treatment.
Breast cancer surgery
Learn about the types of operations used to treat breast cancer, including lumpectomy, mastectomy, lymph node surgery and breast reconstruction.
Breast implants and cancer: Any connection?
Concerned about a link between breast implants and cancer? Get the facts.
Broken collarbone
This common injury is usually the result of falling, playing sports or being in a traffic accident.
Broken hand
You may be at higher risk of a broken hand if you participate in contact sports like football or hockey, or if you have a condition in which bones become thinner and more fragile (osteoporosis).
Broken wrist
The most common type of wrist fracture occurs when people try to catch themselves during a fall and land hard on an outstretched hand.
Brow lift
Learn about this surgery that can raise sagging brows and reduce wrinkles on the forehead. Also understand the possible risks of the procedure.
Bruise: First aid
How to administer first aid for a bruise.
Bruxism (teeth grinding)
Bruxism is a condition in which you grind, gnash or clench your teeth unconsciously when you're awake or while you're sleeping.
Bullous pemphigoid
Learn about the symptoms, treatment and self-care strategies for this blistery skin condition that affects older adults.
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