Teen health
Learning Center
Bacterial vaginosis
Learn about symptoms, treatments and prevention of this common vaginal condition.
Bad breath
This condition, also called halitosis, most often is caused by certain foods, health conditions and habits. Learn how to treat and prevent it.
Bags under eyes
Learn about causes, treatments and self care for bags under eyes, which become more common as you age.
Baker cyst
This fluid-filled cyst occurs behind the knee and can be caused by arthritis or a cartilage tear. Treating the cause usually provides relief.
Balance problems
Learn about the causes and treatments of conditions that leave you feeling dizzy or unsteady.
Barrett's esophagus
Barrett's esophagus, which is linked to chronic heartburn, can turn into cancer of the esophagus. Learn about treatment.
Bartholin's cyst
A Bartholin's cyst is a fluid-filled lump near the vaginal opening. It's rarely serious, but when infected, it can be painful.
Basal cell carcinoma
Learn about symptoms, treatment and prevention of this common skin cancer that often occurs on the head and neck.
Bedbugs
Learn more about the symptoms, treatment, prevention of these parasitic insects and their bites.
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.
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