Learn more about this sleep condition that causes a delay in usual sleep patterns.
Disease
Sleep terrors (night terrors)
These are times of screaming or crying, intense fear, and sometimes waving arms and legs during sleep. The person often sits up in bed, looking scared.
Disease
Jet lag disorder
Jetting across time zones can take a toll on your body's internal clock. Find out how to cope with fatigue and other symptoms while traveling.
Disease
Narcolepsy
Learn more about this sleep condition that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Disease
Pediatric obstructive sleep apnea
This condition can cause your child's breathing to become partly or completely blocked many times during sleep. Get to know the symptoms and treatments.
Disease
Gender dysphoria
Learn about treatments that can help ease the distress that can happen when there's a difference between gender identity and sex assigned at birth.
Disease
Cervical dystonia
This rare movement disorder causes neck muscles to contract involuntarily. This can make your head twist or turn into often painful positions.
Disease
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
Disease
Anorgasmia in women
Anorgasmia is regular difficulty having an orgasm after plenty of sexual stimulation. It affects many women, causing distress.
Disease
Low sex drive in women
Many women have dips in sexual desire at some point. But you can get your sex drive back. Learn about the causes and treatments of lost libido in women.
Disease
Premature birth
Here's what you need to know about caring for a premature baby and the possible health problems of a preterm birth.
Disease
Attention-deficit/hyperactivity disorder (ADHD) in children
This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.