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Disease

Schizoid personality disorder

People with this mental health condition do not want to be with others. They stay away from social activities. They're limited in how they express emotions.
Disease

Dissociative disorders

These mental health conditions involve experiencing a loss of connection between thoughts, memories, surroundings, actions and identity.
Disease

Reactive attachment disorder

Reactive attachment disorder is when an infant or young child doesn't establish healthy attachments with parents or caregivers due to neglect.
Disease

Delayed sleep phase

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

Aortic valve disease

Learn more about diseases that affect the valve between the heart's main pumping chamber and the body's main artery.
Disease

Supraventricular tachycardia

SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when it's treated.
Disease

Aortic valve regurgitation

Learn more about the symptoms and treatment of this condition in which the heart's aortic valve doesn't close tightly.
Disease

Chest pain

Pain in the chest has many possible causes — and some are serious. Here's why it's so important to see a healthcare professional about chest pain.

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