Healthy diets
Learning Center
Nasopharyngeal carcinoma
Nasopharyngeal carcinoma is cancer that occurs in the nasopharynx, which is located behind your nose and above the back of your throat.
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Microcephaly
Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Mediterranean diet for heart health
This heart-healthy eating plan emphasizes healthy fats, whole grains, fruits, vegetables, beans, nuts and seeds.
Mayo Clinic Minute: Steam treatment for enlarged prostate
Find out how steam treatment for enlarged prostate works.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Male menopause: Myth or reality?
Male menopause is a catchy phrase, but it isn't accurate. Here's why.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
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