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October 26, 2021
Eating a nutritious plant-based diet could slash the risk of heart disease by more than half, according to a pair of new studies.
Researchers with the American Heart Association found that such diets significantly cut the risk of heart problems in both young adults and postmenopausal women. A 30-year study of almost 5,000 adults showed that the top 20 percent with the healthiest diets were 52 percent less likely to develop cardiovascular disease. The team behind the study also discovered that changing your diet at any stage in life can have a beneficial impact on the heart.
Participants between 25 and 50 years old, who improved their diet quality the most, were 61 percent less likely to develop cardiovascular disease in comparison to those whose diet quality dropped. The researchers also found the best foods to include in these diets are fruits, vegetables, beans, nuts, and whole grains. Meanwhile, fried potatoes, high-fat red meat, salty snacks, pastries, and soft drinks rank as the most harmful.
In a second study, women who followed a so-called “Portfolio Diet” were 11 percent less likely to develop any type of cardiovascular disease, 14 percent less likely to develop coronary heart disease, and 17 percent less likely to develop heart failure.
The “Portfolio Diet” includes nuts, plant protein from soy, beans, or tofu, viscous soluble fiber from oats, barley, okra, eggplant, oranges, apples, and berries, plant sterols from enriched foods, and monounsaturated fats from olive and canola oil and avocados. These women also limited their consumption of saturated fats and dietary cholesterol.
Researchers published the two papers in the Journal of the American Heart Association. In the first study, researchers examined whether long-term consumption of a plant-centered diet and a shift towards a plan-centered diet starting in young adulthood has a connection with a lower risk of heart problems during midlife.
“Earlier research was focused on single nutrients or single foods, yet there is little data about a plant-centered diet and the long-term risk of cardiovascular disease,” says Dr. Yuni Choi, lead author of the young adult study and a postdoctoral researcher at the University of Minnesota School of Public Health.
“A nutritionally rich, plant-centered diet is beneficial for cardiovascular health. A plant-centered diet is not necessarily vegetarian.” “People can choose among plant foods that are as close to natural as possible, not highly processed. We think that individuals can include animal products in moderation from time to time, such as non-fried poultry, non-fried fish, eggs, and low-fat dairy,” Dr. Choi adds.
In the second study, researchers evaluated whether or not diets that include a dietary portfolio of plant-based foods with bona fide health claims for lowering “bad” cholesterol levels lead to better heart health. That study included 123,330 women in the United States who participated in the Women’s Health Initiative. When the women in this analysis enrolled in the study between 1993 and 1998, they were between 50 and 79 years old and did not have cardiovascular disease. Over 17 years, researchers followed up with the women to see if they were keeping to the Portfolio Diet.
“These results present an important opportunity, as there is still room for people to incorporate more cholesterol-lowering plant foods into their diets. With even greater adherence to the Portfolio dietary pattern, one would expect an association with even less cardiovascular events, perhaps as much as cholesterol-lowering medications,” says Dr. John Sievenpiper, senior author of the study at St. Michael’s Hospital and associate professor of nutritional sciences and medicine at the University of Toronto.
“We also found a dose-response in our study, meaning that you can start small, adding one component of the Portfolio Diet at a time, and gain more heart-health benefits as you add more components,” concludes study lead author Andrea Glenn, a doctoral student at St. Michael’s Hospital in Toronto.
ARTICLE: PATEL CHAITANYA
MANAGING EDITOR: CARSON CHOATE
PHOTO CREDITS: MD ANDERSON