Birth control basics
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Hepatitis A
This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.
Pineoblastoma
Learn about this rare cancer that begins in the brain's pineal gland. Treatments include surgery, radiation therapy and chemotherapy.
Invasive lobular carcinoma
Breast cancer that begins in the milk-producing glands of the breast is uncommon. Learn what sets lobular carcinoma apart from other breast cancer types.
Low sex drive in women
Many women have dips in sexual desire at some point. But you can get your sex drive back. Learn about the causes and treatments of lost libido in women.
Hydrocephalus
Learn about this potentially fatal condition that causes fluid buildup in the brain. It can cause a range of symptoms, from headaches to poor balance.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
COVID-19 in babies and children
Know the symptoms of COVID-19 in children, what to do if your child appears sick and how to keep your family healthy.
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.
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