Eat fruits, vegetables to reduce stroke risk

May 10 2014, 12:45 IST
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Stroke risk falls by 32 pct for every 200 grams per day of fruit people ate, and 11 pct with every 200 gm of vegetables. (Thinkstock) Stroke risk falls by 32 pct for every 200 grams per day of fruit people ate, and 11 pct with every 200 gm of vegetables. (Thinkstock)
SummaryEating more fruits and vegetables may reduce stroke risk by almost a third, according to a fresh look at recent evidence.

Eating more fruits and vegetables may reduce stroke risk by almost a third, according to a fresh look at recent evidence.

The results support existing recommendations from organizations like the U.S. Centers for Disease Control and Prevention (CDC), which already call for a diet rich in fresh greens.

ďThe findings are consistent with the current knowledge that increasing consumption of fruits and vegetables should be encouraged to prevent stroke,Ē Dr. Yan Qu said in an email.

Qu, of the Qingdao Municipal Hospital and the Medical College of Qingdao University in Qingdao, China, led the analysis.

A stroke occurs when bloodflow to part of the brain is blocked by a clot or a burst blood vessel. Without emergency care, a stroke can lead to severe brain damage or death.

Stroke remains the fourth leading cause of death in the U.S., according to the CDC.

Several studies have looked at the influence of diet on stroke risk. Some have tied eating lots of fruits and vegetables to lowered risk; others have found no link at all.

The effect could be indirect, and eating fruits and vegetables may benefit overall health by reducing blood pressure, cholesterol, weight and other stroke risk factors, Qu said. Itís also possible that specific nutrients in the foods may reduce stroke risk, he said.

To get a better understanding of the relationship between stroke risk and plants in the diet, the researchers searched for reports from recent decades that tracked the eating habits and health of men and women around the world.

Twenty studies examining a total of 16,981 strokes among 760,629 participants were included in the analysis.

Overall, the people who ate the most fruits and vegetables were 21 percent less likely to have a stroke, compared to people who ate the lowest amounts, the researchers found.

The benefits rose along with the amounts of produce consumed. Stroke risk fell by 32 percent for every 200 grams (g) per day of fruit people ate, and 11 percent with every 200 g of vegetables.

The researchers found that citrus fruits, leafy vegetables and apples and pears were the specific types of greenery linked to reduced stroke risk.

ďThe effect of other types of fruit and vegetables on stroke risk still needs to be confirmed,Ē Qu said.

The researchers cannot say for certain that eating fruits and vegetables caused fewer strokes among the participants. They point out that there could be other factors that influence the results; for example, people who eat

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