How does sickle cell disease affect the body?

Sickle cell disease changes the shape of red blood cells, which can lead to stroke. Find out how else sickle cell disease can affect the body from Gary Gibbons, MD, director of the National Heart, Lung, and Blood Institute.

Why red blood cells are so important, and how these cells are affected by sickle cell disease.

This severe infection can lead to long-term complications—and even death—if not treated quickly and effectively.

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.