Sex and aging
Learning Center
Fibroadenoma
Learn about this common breast lump. It is not cancer. Unless you have symptoms that bother you, treatment might not be needed.
Hay fever
Find out more about how to diagnose and get relief from this common condition that can make you feel awful, seasonally and year-round.
Glaucoma
Regular eye exams may catch glaucoma early and save your eyesight. Find out about symptoms and treatment for this vision-stealing eye disease.
Eosinophilic esophagitis
Learn more about the causes and treatment of eosinophilic esophagitis — a digestive disease caused by an allergic reaction.
Ehrlichiosis and anaplasmosis
Learn how to prevent and treat the tick-borne diseases ehrlichiosis and anaplasmosis.
Cervicitis
Sexually transmitted infections are often the reason why a woman develops inflammation of the cervix, which can cause abnormal discharge and bleeding.
Epithelioid sarcoma
This rare, slow-growing soft tissue cancer tends to occur in teenagers and young adults. It often starts in a hand, wrist, arm or leg.
Multisystem inflammatory syndrome in children (MIS-C) and COVID-19
Learn about symptoms of MIS-C, a serious condition linked to coronavirus disease 2019 (COVID-19). Get help fast if your child shows any signs.
Rheumatic fever
Learn about this complication of strep throat and scarlet fever and what you can do to prevent it.
Color blindness
Is it red or is it green? Learn more about what causes color blindness and how to tell whether or not you can distinguish between certain shades of color.
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