Joylee Taylor

· 16 Nov 2021

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What causes strokes?

A stroke occurs when blood flow to a portion of your brain is interrupted. Brain cells begin to die within minutes if there is no oxygen in the blood. Learn about the causes of strokes and the factors that might increase your chances of having one to help prevent one.

Various types of Strokes.
A stroke can occur in two ways: something obstructs blood flow or something causes bleeding in the brain. Stroke caused by ischemia. In 8 out of 10 strokes, a blood artery carrying blood to the brain becomes clogged.

It occurs when fatty deposits in arteries rupture and migrate to the brain, or when inadequate blood flow caused by an irregular heartbeat generates a blood clot. Stroke caused by hemorrhage It is less common than an ischemic stroke, but it can be more severe. A blood artery in your brain expands and bursts, or a weak one leaks.

This type of stroke can be caused by uncontrolled high blood pressure and using too much blood thinner medication. A transient ischemia attack occurs in certain persons (TIA). This “mini stroke” is caused by a transient obstruction in the arteries. It does not cause permanent brain damage, but it does increase your chances of getting a full-blown stroke.

Stroke Causes.
Some disorders that increase your risk of having a stroke can be treated. Other factors that put you at risk are unchangeable.

Blood pressure is too high. Your doctor may diagnose you with hypertension. It is the leading cause of strokes. Your doctor will discuss treatment options with you if your blood pressure is regularly 140/90 or above.

Tobacco. Smoking or chewing it increases your chances of having a stroke. Nicotine raises your blood pressure. Cigarette smoking causes a buildup of fat in your main neck artery. It also thickens your blood, making it more prone to clotting. Even secondhand smoking might have an impact on you.

Coronary artery disease. This disorder involves faulty cardiac valves as well as atrial fibrillation, or irregular heartbeat, which accounts for one-quarter of all strokes in the elderly. Clogged arteries can also be caused by fatty deposits.

Diabetes. People who have it are more prone to have high blood pressure and to be overweight. Both increase the likelihood of having a stroke. Diabetes affects your blood arteries, increasing your risk of having a stroke. When you have a stroke when your blood sugar levels are high, your brain suffers more damage.

Exercise and weight loss. Obesity may increase your chances of having a stroke. Working exercise every day might help you reduce your chances. Take a 30-minute brisk walk, or practice muscle-strengthening activities like pushups and weight lifting.

Medications. Some medications might increase your risk of having a stroke. Blood-thinning medicines, for example, which doctors recommend to avoid blood clots, can occasionally increase the risk of a stroke by causing bleeding.

Hormone treatment, which is used to treat menopausal symptoms such as hot flashes, has been related to an increased risk of stroke in studies. Low-dose estrogen in birth control tablets may also increase your chances.

Age. Anyone, including newborns in the womb, can suffer a stroke. In general, your odds improve as you become older. After the age of 55, they double every decade.

Family. Strokes can be passed on via families. You and your family members may be predisposed to high blood pressure or diabetes. Some strokes can be brought on by a genetic disorder that blocks blood flow to the brain.

Gender. Women are slightly less likely than men of the same age to have a stroke. Women, on the other hand, experience strokes at a later age, making them less likely to recover and more likely to die as a result.

Race. Strokes strike African-Americans and nonwhite Hispanic Americans far more frequently than any other demographic in the United States. Sickle cell disease, a hereditary illness that causes arteries to constrict and blood flow to stop, is also more frequent among these communities, as well as in those whose ancestors immigrated from the Mediterranean, the Middle East, or Asia.


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