This neurological condition is characterized by laughing and crying too much for the situation.
Disease
Addison's disease
Learn about this rare but serious condition of the adrenal glands that's treated by replacing hormones the body needs.
Disease
Subarachnoid hemorrhage
Learn about how this type of bleeding in the brain is diagnosed and treated.
Disease
Knee pain
Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Disease
Achalasia
In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
Disease
Foot drop
Foot drop is a general term that describes a difficulty in lifting the front part of the foot. It's often caused by compression of a nerve.
Disease
Balance problems
Learn about the causes and treatments of conditions that leave you feeling dizzy or unsteady.
Disease
Pineal gland tumor
Learn about tumors that affect the pineal gland, including types, symptoms, diagnosis, treatment options, recovery and long-term outlook.
Disease
Lyme disease
Learn about the symptoms, diagnosis and treatment of this common tick-borne illness.
Disease
Congenital diaphragmatic hernia (CDH)
In CDH, a baby's diaphragm — the muscle that separates the chest from the abdomen — develops a hole called a hernia. Learn about treatment before birth.
Disease
Frozen shoulder
This painful condition usually begins slowly and makes the shoulder hard to move. Exercises can help restore range of motion.
Disease
Botulism
Bacteria that have contaminated food or a wound may cause this rare but serious condition. Learn about how to prevent it.