These are unhealthy reactions to stress that involve emotions and behavior. The response to stress is much more intense than would usually be expected.
Disease
Synovial sarcoma
This rare type of cancer tends to occur near large joints, mainly the knee, in young adults. The main treatment is surgery.
Disease
Transient global amnesia
When your memory suddenly disappears, it can be frightening — but transient global amnesia is typically temporary and harmless.
Disease
Arteriovenous fistula
Irregular connections between arteries and veins may cause certain complications. Learn more about the causes and possible treatment options.
Disease
Neurofibroma
Learn about this type of peripheral nerve tumor that forms a soft bump on or under the skin. It can appear anywhere in the body.
Disease
Dural arteriovenous fistulas
Learn about these rare, irregular connections that can occur between arteries and veins in the protective covering of the brain and spinal cord.
Disease
Spinal arteriovenous malformation (AVM)
Learn about how this rare blood vessel condition can affect the spinal cord.
Disease
Meralgia paresthetica
Learn about this condition that causes burning, tingling and numbness in the thigh, and how to get relief.
Disease
Muscle cramp
Learn about this sudden, painful tightening of a muscle and what to do about it.
Disease
Tetanus
Learn about treatment of the serious bacterial infection commonly known as lockjaw and the vaccines that prevent it.
Disease
TEN
Learn more about the causes, symptoms, treatment and risks of this life-threatening, rare skin disorder, also called toxic epidermal necrolysis.
Disease
Sclerosing mesenteritis
Sclerosing mesenteritis is a rare condition that may lead to blockage in the small intestine. Learn about treatment at Mayo Clinic.