In this serious mental health condition, people deceive others by pretending to be sick. They do this by faking symptoms, purposely getting sick or hurting themselves.
Disease
REM sleep behavior disorder
REM sleep behavior disorder is a sleep disorder in which you physically and vocally act out vivid, often unpleasant dreams during REM sleep.
Disease
Oppositional defiant disorder (ODD)
This childhood mental health condition includes frequent and persistent anger, irritability, arguing, defiance or vindictiveness toward authority.
Disease
Dry macular degeneration
Blurred or reduced central vision could be a sign of macular degeneration. Find out about symptoms and treatment for this common eye disorder.
Disease
H1N1 flu (swine flu)
Find out more about flu caused by the H1N1 virus. Learn how to prevent and treat the flu.
Disease
Follicular lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Dilated cardiomyopathy
In this heart muscle disease, the heart's main pumping chamber stretches and can't pump blood well. Learn about the causes and treatment.
Disease
Swollen knee
This condition can be caused by trauma, overuse injuries, or an underlying disease or condition. A fluid sample from the knee may be needed for diagnosis.
Disease
Keratosis pilaris
Find out more about this harmless, nonpitch skin condition that causes bumpy, rough skin on the upper arms, thighs or buttocks.
Disease
Age spots (liver spots)
Learn more about the harmless dark spots on your skin that tend to appear as you age, especially in areas exposed to the sun. Treatment is available.
Disease
Atopic dermatitis (eczema)
Learn about the causes, symptoms and treatments of this itchy rash that most often begins before age 5, is persistent, and has periods of clearing and relapse.
Disease
Pityriasis rosea
Learn more about the symptoms, causes and treatment of this large rash common among teens and young adults.