Fitness basics
Learning Center
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
Rheumatoid arthritis: Is exercise important?
Which types of exercises are best for people who have rheumatoid arthritis? Which should be avoided?
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.
Resperate: Can it help reduce blood pressure?
This device teaches slow, deep breathing, which can reduce blood pressure.
Renal diet for vegetarians: What about protein?
Although a kidney diet limits protein, you still must eat some protein every day.
Relaxation techniques: Try these steps to lower stress
Learn how to use relaxation techniques to lower stress and bring more calm into your life.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
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