Fitness
Learning Center
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
Eating the placenta: A good idea?
Despite claims of benefits, eating your placenta after giving birth can be harmful to you and your baby.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
COVID-19 vaccine: Should I reschedule my mammogram?
Swollen lymph nodes caused by the COVID-19 vaccine can look like breast cancer on a mammogram. Find out what to do if you've got a mammogram scheduled.
Viagra for women: Does it exist?
Learn about medicines to treat problems with sexual arousal or sexual desire in women.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Silicone breast implants: What happens if they rupture?
Understand the health effects of ruptured silicone breast implants.
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