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210 Search results starting with "A"

Disease

Seasonal affective disorder (SAD)

This type of depression is related to changes in seasons and begins and ends at about the same times every year.
Disease

Separation anxiety disorder

This is intense or prolonged separation anxiety that interferes with school or other daily activities or includes panic attacks. Learn about treatment.
Disease

Septic arthritis

Learn about this painful infection in a joint and why quick treatment can help lessen joint damage.
Disease

Severe acute respiratory syndrome (SARS)

Learn about this contagious and sometimes fatal respiratory illness. The last known infection was reported in 2004.
Disease

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.
Disease

Sickle cell anemia

Learn about the symptoms, causes and treatment of this inherited blood disorder that, in the United States, is more common among Black people.
Disease

Sleep apnea

This condition causes repeated stops and starts in breathing during sleep. Snoring loudly can be a sign of this sleep condition.
Disease

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.
Disease

Spinal arteriovenous malformation (AVM)

Learn about how this rare blood vessel condition can affect the spinal cord.
Disease

Spontaneous coronary artery dissection (SCAD)

A torn blood vessel in the heart can cause a heart attack. Learn about the diagnosis and treatment of this medical emergency.
Disease

Sprained ankle

Sprained ankle — Injury to a ligament of the ankle can usually be treated with at-home care and appropriate exercises to get you back on your feet.
Disease

Sudden cardiac arrest

This medical emergency involves sudden loss of all heart activity. Learn how fast, appropriate care may help prevent death.
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