Birth control basics
Learning Center
HPV infection: How does it cause cervical cancer?
Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.
Caffeine and depression: Is there a link?
Caffeine and depression are not directly linked, but there can be an indirect connection.
ADHD diet: Do food additives cause hyperactivity?
Better research is needed to find out if limiting certain foods or food additives will help reduce hyperactivity and ADHD symptoms.
Breast cysts: What role does caffeine play?
Too much caffeine may possibly increase your risk of breast discomfort.
Is fibromyalgia hereditary?
Is fibromyalgia hereditary? The disorder appears to run in families.
Sex headaches
Learn about the causes and treatment of this type of headache.
Video: Heartburn and hiatal hernia
Watch this video to learn about heartburn and hiatal hernia.
Video: Ankle sprain
How do you get an ankle sprain? Watch this video and find out.
Video: How irritable bowel syndrome affects you
Watch this irritable bowel syndrome video to learn how IBS can affect you.
Video: What happens during obstructive sleep apnea?
Sleep apnea — Watch this video to see how snoring and obstructive sleep apnea occur.
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