Fitness basics
Learning Center
Kyphosis
This excessive forward rounding of the back is often caused by osteoporosis in older women. Spinal malformations can cause kyphosis in infants or teens.
Domestic violence against men: Recognize patterns, seek help
Domestic violence against men is real. Find out how to break the cycle.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
Facial fillers for wrinkles
Find out more about facial injections, also called soft tissue fillers, that can temporarily smooth wrinkles.
Video: How to use a peak flow meter
Asthma attacks taking you by surprise? Take regular peak flow meter readings, as shown in this video, to predict asthma episodes and better control your condition.
Aquatic exercises
Thinking about signing up for an aquatic exercise class? Or trying water exercises on your own? Check out these pool moves.
Blood in semen
Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.
Bent penis
Learn what can cause a curved erection and when you may need to see a health care provider.
End-stage renal disease
When kidneys no longer function well enough to meet a body's needs, treatment involves kidney dialysis or kidney transplant.
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