Nutritional supplements
Learning Center
Infant growth: What's normal?
Infant growth rates depend on various factors. Consider what's typical during baby's first year.
Prednisone withdrawal: Why taper down slowly?
Prednisone is a powerful medication. Find out why it's so important to taper off your dosage gradually.
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
Baby teeth: When do children start losing them?
Losing baby teeth is a major childhood milestone. Find out what to expect.
COVID-19 drugs: Are there any that work?
Medicine can help people who are at risk of, diagnosed with, or have symptoms of COVID-19.
Menopause hormone therapy: Does it cause vaginal bleeding?
Some forms of hormone therapy prescribed to ease hot flashes and other menopause symptoms may cause vaginal bleeding. Learn more.
Elective abortion: Does it affect subsequent pregnancies?
Understand if an elective abortion can affect your fertility or future pregnancies.
Bladder infection in men
Although women are more likely to get bladder infections, men can get them, too. Learn about signs and symptoms and what could put you at risk.
Emerging treatments for multiple sclerosis
There is no cure for this disease of the nervous system, but promising research offers hope for new ways to slow and perhaps reverse the effects of this disease.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
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