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Stroke: Diabetes and Other Risk Factors

0 2 years ago

What’s the connection between diabetes and stroke?

Diabetes can increase your risk for many health conditions, including stroke. In general, people with diabetes are 1.5 times more likely to have a stroke than people without diabetes.

Diabetes affects the body’s ability to create insulin or use it properly. Since insulin plays an important role in pulling glucose into cells from the bloodstream, people with diabetes are often left with too much sugar in their blood. Over time, this excess sugar can contribute to the buildup of clots or fat deposits inside vessels that supply blood to the neck and brain. This process is known as atherosclerosis.

If these deposits grow, they can cause a narrowing of the blood vessel wall or even a complete blockage. When blood flow to your brain stops for any reason, a stroke occurs.

What is a stroke?

Stroke is a condition in which blood vessels in the brain are damaged. Strokes are characterized by a number of factors, including the size of the damaged blood vessel, where in the brain blood vessels have been damaged, and what event actually caused the damage.

The main types of stroke are ischemic stroke, hemorrhagic stroke, and transient ischemic attack (TIA).

Ischemic stroke

Ischemic stroke is the most common type of stroke. It occurs when an artery that supplies oxygen-rich blood to the brain is blocked, most often by a blood clot. About 87 percentTrusted Source

of strokes are ischemic strokes, according to the Centers for Disease Control and Prevention.

Hemorrhagic stroke

Hemorrhagic stroke occurs when an artery in the brain leaks blood or ruptures. Approximately 15 percentTrusted Source

of strokes are hemorrhagic strokes, according to the National Stroke Association. Hemorrhagic strokes can be very serious and are responsible for about 40 percent of stroke-related deaths.

Transient ischemic attack (TIA)

A TIA is sometimes called a ministroke because the blood flow to the brain is blocked for a shorter amount of time and doesn’t result in permanent neurological injury. A TIA is ischemic, and may last from a minute to several hours — until the clogged artery reopens on its own. You shouldn’t ignore it, and you should consider it a warning. People often refer to a TIA as a “warning stroke.”


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