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Learning Center
Sleepwalking
People who get up and walk around while sleeping may not need treatment. But if it happens often, it could be a sleep disorder that needs treatment.
Social anxiety disorder (social phobia)
Learn more on this disorder where everyday interactions cause significant worry and self-consciousness because you fear being judged negatively by others.
Drug addiction (substance use disorder)
Drug addiction affects your brain and behavior to the point where you can't control your use of legal or illegal drugs, even when you know they cause harm.
Acne
Learn more about this common skin condition, including causes, treatments and simple skin care steps you can do at home to help control it.
Narcissistic personality disorder
This mental disorder includes an unreasonably high sense of importance, a need for excessive admiration, fragile self-esteem, and troubled relationships.
Congenital mitral valve anomalies
These heart problems at birth cause the mitral valve to leak or become narrowed. Know the symptoms and treatment.
Epiglottitis
A blocked windpipe needs prompt treatment.
Flatfeet
A common and usually painless condition, flatfeet occurs when the arches of the feet flatten upon standing, allowing the entire soles to touch the floor.
Polio
Learn more about this contagious viral illness that affects the nervous system. Severe disease can lead to paralysis, trouble breathing and sometimes death.
Shellfish allergy
It's possible to be allergic to some types of shellfish without reacting to other types. Learn more about this common food allergy.
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