Aerobic exercise
Learning Center
Pregnancy and COVID-19: What are the risks?
Know how COVID-19 might affect pregnancy, labor and delivery, and breastfeeding. And get the facts about the safety of COVID-19 vaccines.
Sex and COVID-19: Can you get COVID-19 from sexual activity?
Close contact, including sexual activity, is a risk factor for COVID-19. Find out how to lower your risk of getting the COVID-19 virus from a sexual partner.
Congenital diaphragmatic hernia (CDH)
In CDH, a baby's diaphragm — the muscle that separates the chest from the abdomen — develops a hole called a hernia. Learn about treatment before birth.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Dry orgasm
It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.
Dry skin
Learn more about the causes of and self-care tips for a common flaky skin condition that tends to be temporary or seasonal but may become a lifelong problem.
Transurethral microwave thermotherapy (TUMT)
Learn about this minimally invasive procedure for treating an enlarged prostate, including how it's done and possible risks and benefits.
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