Nutrition basics
Learning Center
Sickle cell anemia
Learn about the symptoms, causes and treatment of this inherited blood disorder that, in the United States, is more common among Black people.
Insomnia
This disorder can make it hard to fall asleep, hard to stay asleep or both, even though you have the chance for enough sleep. It can drain your energy.
Diaper rash
Learn more about the causes, prevention and home remedies for this common condition that irritates skin under diapers.
Paraneoplastic syndromes of the nervous system
This group of conditions affects people who have cancer and occurs when parts of the immune system attack parts of the nervous system.
Astigmatism
Imperfect curvature of your eye can cause blurred distance and near vision. Learn about this common and treatable eye condition.
Lead poisoning
Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.
Cholera
Cholera is a treatable — yet potentially fatal — bacterial disease that causes diarrhea and dehydration. Learn how to lower your risk.
Hot flashes
Hot flashes are the most common symptom of menopause. Learn about strategies for relief of hot flashes, including hormone therapy and natural remedies.
Brugada syndrome
Learn about the symptoms, causes and treatments for this heart rhythm condition that is sometimes inherited.
Lobular carcinoma in situ (LCIS)
If a breast biopsy reveals you have LCIS, your risk of breast cancer is increased. Learn how you can reduce your risk through medications and other strategies.
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