Fitness basics
Learning Center
Morning sickness
Learn more about nausea and vomiting during pregnancy. Learn about remedies that may help ease that queasy feeling.
Nearsightedness
Tired of squinting at objects in the distance? There are effective treatment options for this eye condition, and some preventive options are emerging.
Orchitis
This inflammation of one or both testicles can cause pain and infertility. It's usually caused by a bacterial infection or the mumps virus.
Restless legs syndrome
Uncomfortable sensations in your legs can interrupt your sleep — making you drag through your day. These therapies calm the restlessness and improve sleep.
Shellfish allergy
It's possible to be allergic to some types of shellfish without reacting to other types. Learn more about this common food allergy.
Varicocele
Find out how this condition involving the enlargement of veins in the scrotum can affect sperm quality and production.
Sarcoma
Learn about this cancer that forms in the bones and the connective tissue. Find out about symptoms, diagnosis, treatment and the many types of sarcoma.
Arteriovenous malformation
In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Peptic ulcer
A dull or burning pain in the stomach could be a peptic ulcer. Find out more about this common, treatable digestive condition.
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