Diet and exercise
Learning Center
Walking: Is it enough for weight loss?
Walking and a healthy diet can put you on the path to weight management.
Trichotillomania (hair-pulling disorder)
In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.
Narcolepsy
Learn more about this sleep disorder that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
Exercise for weight loss: Calories burned in 1 hour
Trying to lose weight or at least not gain more? Find out how many calories are burned by an hour walking, swimming or biking.
Brain AVM (arteriovenous malformation)
Tangled blood vessels in the brain affect typical blood flow in this rare condition. Learn more.