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Published on January 24th, 2012 | by Tanya Sitton


New Study: Plant-Rich Diet Reduces Mortality from Heart Disease, Stroke

flavonoids are found in many fruit and vegetables According to a study published in the January 2012 American Journal of Clinical Nutrition, a diet rich in plant-based compounds reduces risk of death from heart disease and stroke.

The study focused on compounds called flavonoids, found in a wide variety of plant foods such as fruits, vegetables, nuts, tea, wine, and dark chocolate– apples, berries, citrus fruits, leafy greens, broccoli, avocados, and almonds are common examples of flavonoid-rich foods.

Flavonoids are considered to be beneficial due to their anti-inflammatory and antioxidant properties, limiting cellular damage that can cause chronic disease. These plant-based compounds are known to play a role in reduced cancer risk, as well as in the reduced risk of heart disease for women with type 2 diabetes.

Nearly 100,000 mature adults participated in the study, with an average age of 70. Participants filled out questionnaires on diet, lifestyle, and medical history, and then researchers tracked their health status for seven years. Researchers accounted for relevant risk factors such as high cholesterol, obesity, hypertension, and family history of heart disease.

Research participants were divided into five groups based on flavonoid consumption. The group consuming the most flavonoid-rich foods ate about 20 servings of fruit and 24 servings of vegetables each week. The lowest flavonoid eating group consumed about 11 servings of fruit and 18 servings of vegetables per week, with one medium-sized fruit or 1/2 cup of vegetables counted as one serving.

Overall, those consuming the most flavonoids demonstrated an 18% reduced mortality rate from cardiovascular and cerebrovascular disease, compared to those consuming the least. Mortality from heart attacks plummeted even further: risk of fatal heart attacks was reduced 25% (men) to 40% (women) among those eating the most flavonoid-rich food. Men with the highest intake of flavonoids were 37% less likely to experience a fatal stroke.

Lower risk of cardiovascular death was also observed in the groups between the highest and lowest flavonoid consumers, suggesting that even moderately increased consumption conveys measurable health benefits.

Researchers emphasize that flavonoids are found in foods known to have other health benefits, so it’s difficult to state with certainty that the flavonoids themselves produced the beneficial results. For example, another recent study also linked consumption of magnesium in leafy greens and other plant foods to reduced risk of ischemic stroke. Past research has shown negative cardiovascular effects from high levels of meat consumption, so perhaps some of the benefits from plant-rich diets come from ‘crowding out’ less healthy foods.

The precise mechanism of benefit may be unclear, but the results are consistent and unmistakable. When it comes to debility and death from cardiovascular disease, plant foods do a body good.

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About the Author

is an ecovore, veganist, messy chef, green girl, food revolutionary, and general free-thinkin' rabble-rouser. M.S. in a health profession, with strong interests in biology, nutrition, and healthy living - find her on .

5 Responses to New Study: Plant-Rich Diet Reduces Mortality from Heart Disease, Stroke

  1. Pingback: Vegan Grocery List

  2. Dee Esseff says:

    This may be the most delicious study I’ve ever seen. Yum.

  3. Pingback: Citrus Fruits Linked to Reduced Stroke Risk

  4. Pingback: Eat Your Broccoli! Cruciferous Vegetables Help Fight & Prevent Cancer

  5. Pingback: Death Wish? Eat More Meat!

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