Aerobic exercise
Learning Center
Baby teeth: When do children start losing them?
Losing baby teeth is a major childhood milestone. Find out what to expect.
Bladder outlet obstruction: Causes in men?
Find out more about the causes of male bladder outlet obstruction and possible next steps.
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.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Concussion in children: What are the symptoms?
Whether your child's concussion is mild or severe, allow time to recover.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
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.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
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