What is Parkinson's disease?

Parkinson's disease is a neurodegenerative condition that kills the brain cells which produce dopamine, which is critical for cellular communication. In this video, Melissa Houser, MD, a neurologist at Scripps Health, discusses the disease.

Learn how these vitamins support a healthy brain and nervous system.

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

Learn why hypertension in older adults is linked with stroke and dementia.

What is "frozen shoulder" exactly and why are some people more at risk than others?

The MRI is a painless procedure that can help diagnose a number of conditions.