What causes epilepsy (seizure disorder)?

The brain is a hive of electrical activity, but epilepsy occurs when a circuit misfires. In this video, Gayatri Devi, MD, director of New York Memory and Healthy Aging Services, explains.

Changes in your vision may be signs of other medical conditions.

Desmoid tumors are noncancerous and do not metastasize, but they can invade nearby tissues and structures.

Kids' migraines are more common than you think—but one type of therapy is offering hope.

Get the facts and learn ways to cope with this life-changing disease.

An overview of TTR stabilizers and gene-silencing therapies for treating hereditary transthyretin (hATTR) amyloidosis.