Sleep
Learning Center
Pomegranate juice: A cure for prostate cancer?
Early research suggested that pomegranate juice could slow the growth of prostate cancer, but more-rigorous trials failed to confirm those results.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
How many hours of sleep are enough?
Wonder how many hours of sleep are enough? A Mayo Clinic specialist offers guidelines.
Sleep aids: Could antihistamines help me sleep?
Antihistamines can be somewhat effective as a sleep aid — but only for occasional sleeplessness.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
HPV infection: A cause of cancer in men?
Learn what types of cancer HPV can cause in men and how you can reduce your risk.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
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