Healthy at work
Learning Center
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Self-care for the flu
How to take care of yourself at home when you have the flu.
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
Scorpion sting
Scorpion stings are painful but rarely life-threatening. Young children and older adults are most at risk of serious complications.
Salt craving: A symptom of Addison's disease?
Constantly craving salt could signal a medical condition, such as Addison's disease.
Ringworm (scalp)
Learn more on causes, symptoms, treatments of this easily spread, itchy fungal skin infection and how to prevent it.
Rheumatoid arthritis: Does pregnancy affect symptoms?
Learn how pregnancy can affect rheumatoid arthritis symptoms.
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Retrograde ejaculation
Learn about the symptoms and treatment options for this condition that can cause male infertility.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
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