Sex and aging
Learning Center
Ehlers-Danlos syndrome
Learn about these complex genetic disorders that cause problems with connective tissue in the skin, joints and blood vessel walls.
Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Nearsightedness
Tired of squinting at objects in the distance? There are effective treatment options for this eye condition, and some preventive options are emerging.
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Arteriovenous malformation
In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Benign peripheral nerve tumor
Learn more about the different types of tumors that grow on or around the nerves that link to the brain and spinal cord.
Food poisoning
Learn more about foodborne illnesses that can cause upset stomach, vomiting and diarrhea within hours of eating contaminated food.
Down syndrome
Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21.
Bulimia nervosa
In this serious eating disorder, people lose control and eat large amounts of food. Then they get rid of it in unhealthy ways by purging, such as vomiting.
Cervical cancer
Screening with Pap tests can reduce the risk of this cancer that begins in the cervix. Learn more about symptoms, causes, prevention and treatment.
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