Nutritional supplements
Learning Center
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.
Vitamin D deficiency
What are the risks of too little vitamin D?
Fallopian tubes: Is pregnancy possible with only one?
Pregnancy may be possible with one fallopian tube.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Mayo Clinic Minute: Women and Alzheimer's Disease
Researchers are working to figure out why more women have Alzheimer's disease than men.
Mayo Clinic Minute: What you should know about bats and rabies
Learn more about the risk of rabies from bats and how to prevent rabies.
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