WebMD's pictures help explain the symptoms, causes, and dramatic lifesaving treatments for stroke -- including when to call 911.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

WebMD's pictures help explain the symptoms, causes, and dramatic lifesaving treatments for stroke -- including when to call 911.

WebMD provides an overview of Alzheimer's disease and what causes it.

Menopause isn't the only thing that causes hot flashes. Find out from WebMD what else can trigger these sudden waves of heat as your body tries to cool down.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

WebMD's pictures help explain the symptoms, causes, and dramatic lifesaving treatments for stroke -- including when to call 911.

You may not be able to change your genes, but there are some things you can do to lower your risk of a stroke. Find out what they are from WebMD.

WebMD's pictures help explain the symptoms, causes, and dramatic lifesaving treatments for stroke -- including when to call 911.