Quit-smoking basics
Learning Center
Primary lateral sclerosis (PLS)
This motor neuron disease causes nerves within the brain to slowly break down. It causes muscle weakness primarily in the legs, arms and tongue.
Craniopharyngioma
Learn more about this noncancerous tumor that forms near the brain's pituitary gland, including diagnosis and treatment options.
Coarctation of the aorta
Learn more about the causes and treatment of this usually congenital heart condition that is treatable but requires lifelong follow-up.
Generalized anxiety disorder
Excessive, ongoing anxiety and worry can interfere with your daily activities and may be a sign of generalized anxiety disorder, but treatment can help.
Truncus arteriosus
Learn more about this congenital heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Nearsightedness
Tired of squinting at objects in the distance? There are effective treatment options for this eye condition, and some preventive options are emerging.
Oppositional defiant disorder (ODD)
This childhood mental health condition includes frequent and persistent anger, irritability, arguing, defiance or vindictiveness toward authority.
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Lupus nephritis
Learn about this common effect of lupus on the kidneys, including symptoms to watch for, how it's diagnosed and what treatments are available.
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare disorder that causes tumors and overproduction of hormones.
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