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A stroke occurs when the blood supply to part of your brain is interrupted or severely reduced, depriving brain tissue of oxygen and nutrients. Within minutes, brain cells begin to die. A stroke is a ...

Epilepsy is a central nervous system disorder in which nerve cell activity in the brain becomes disrupted, causing seizures or periods of unusual behavior, sensations and, sometimes, loss of conscious...

Almost everyone experiences at least one headache at some time during his or her life. According to the World Health Organization, about 50% of all adults have regular headaches. They can slow yo...

Neurosurgeons at Mayo Clinic Health System are trained in the diagnosis and treatment of the entire nervous system, including your brain, spinal cord and spinal column, as well as the nerves throughou...

"Cardiovascular disease" describes a range of conditions that affect your heart, including blood vessel diseases, heart rhythm problems and congenital heart defects. Cardiovascular disease is often us...

Seek emergency medical care if you have these heart disease symptoms: Chest pain Shortness of breath Fainting If you suspect you're having a heart attack, immediately call 911. I...

Learn about the variety of tests we provide to help diagnose a variety of heart diseases and conditions:  Ambulatory blood pressure monitor Electrocardiogram (EKG) Coronary CT angiog...