Staying healthy
Learning Center
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Male menopause: Myth or reality?
Male menopause is a catchy phrase, but it isn't accurate. Here's why.
Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the signs and symptoms and when treatment might be needed.
Mammogram
Learn what to expect during a breast X-ray exam. Find out about the benefits of mammograms for breast cancer screening, as well as potential risks.
Mayo Clinic Minute: Fingernails are clues to your health
Learn six clues to identifying health conditions based on changes in your fingernails.
Mayo Clinic Minute: Signs and symptoms of syphilis
Learn about the symptoms and stages of syphilis.
Mayo Clinic Minute: Steam treatment for enlarged prostate
Find out how steam treatment for enlarged prostate works.
Memory loss: When to seek help
Memory loss may result from typical aging, a treatable condition or the onset of dementia.
Menstrual cycle: What's normal, what's not
Learn about how to track your menstrual cycles and what any changes may mean.
Mental illness in children: Know the signs
It can be hard to tell the difference between typical behavior and symptoms of mental illness in children. Find out what to look for and when to act.
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