Teen health
Learning Center
COVID-19: Who's at higher risk of serious symptoms?
Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.
X-linked agammaglobulinemia
This genetic disease weakens the immune system, mainly in males, and leads to having infections often.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Vasectomy
Find out more about this procedure that provides nearly 100 percent effective male birth control by cutting the supply of sperm to semen.
Vaginal hysterectomy
Vaginal hysterectomy is a procedure to remove the uterus through an incision in the vagina to treat certain gynecological conditions.
Cholesterol test
Measuring the amount of cholesterol and triglycerides in your blood can help predict your risk of blocked arteries in your heart and brain.
Deep brain stimulation
Learn how electrical stimulation of the brain can be used to treat conditions such as epilepsy and Parkinson's disease.
Nipple discharge
Fluid leaking from the nipples isn't often a sign of breast cancer. Learn more about the possible causes and when to see a doctor.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Aortic valve repair and aortic valve replacement
These types of heart valve surgeries are done to treat aortic valve disease, including aortic stenosis and aortic regurgitation.
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