Fitness basics
Learning Center
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Poppy seed tea: Beneficial or dangerous?
Poppy seed tea may be used as a natural pain reliever. The key is the opioids in the seed coating, which may be dangerous.
Pink eye: How long is it contagious?
Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.
Penis fracture: Is it possible?
Know the symptoms of this health concern.
Passive-aggressive behavior: What are the red flags?
Learn about the signs of this indirect way of expressing negative feelings.
PSA levels: Can they rise after partial prostate removal?
A number of factors can cause PSA levels to rise after surgery for an enlarged prostate.
Ovulation signs: When is conception most likely?
Trying to get pregnant? Learn about symptoms of ovulation
Ocular migraine: When to seek help
Flashes of light, zigzagging patterns and temporary blindness — what does it all mean?
Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
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