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Study Found That Low-Fat & Plant-Based Diet Lowers Long-Term Risk for Cardiovascular Disease

The longstanding debate between experts about the impact of low fat and plant-based diets on heart disease may have finally been settled thanks to a new study. The research showed that after following more than 4,700 people over 30 years, a plant-centered diet was associated with a lower long-term risk for cardiovascular disease, and both types of diets were linked with lower LDL or bad cholesterol levels.

The guidelines in the United States and Europe have long recommended eating low amounts of saturated fat because of the high rates of heart disease. Although this is not necessarily wrong, this new study shows that plant-centered diets can also lower bad cholesterol and may be even more effective at addressing heart disease risk.

A plant-centered diet emphasizes vegetables, fruit, legumes, whole grains, nuts, seeds, fish, and low-fat dairy. It limits high-fat red and processed meat, salty snacks, sweets, and sugary drinks.

The low-fat diet is based on the Key Score, a formulation of the “low saturated fat” message, which mainly focuses on saturated fats but can also include polyunsaturated fat and dietary cholesterol.

The Research

The study analyzed data from participants in the four U.S. clinics of the Coronary Artery Risk Development in Young Adults study (CARDIA), which enrolled 5,115 Black and white men and women in 1985-1986. Over the 30 years of follow-up, 280 cases of cardiovascular disease were reported, 135 cases of coronary heart disease, and 92 cases of stroke among the study participants.

Researchers conducted three detailed diet history interviews over the follow-up period to record the participants’ eating patterns. Participants were required to list everything consumed in the last 30 days, broken down into categories.

For example, if someone had reported eating meat, they would be asked what type of meat items and how much was consumed. Researchers used this information to calculate scores for all participants based on both the Keys Score of the A Priori Diet Quality Score (APDQS), which captures the plant-centered diet.

Various factors were taken into account such as socioeconomic status, education level, energy intake, history of cardiovascular disease, and more. After the study, it was noted that participants who had a more plant-based diet (higher APDQS Scores) and consumed less saturated fat (lower Keys Scores) were both associated with lower LDL levels.

However, these lower LDL levels did not always correlate with a lower future risk of stroke. Higher APDQS scores, but not lower Keys Scores, were strongly associated with a lower risk for coronary heart disease and stroke.

“Based on our study, we suggest that people incorporate more nutritionally-rich plant foods into their diets,” concluded study author Yuni Choi, Ph.D. “One way to do this is to fill 70 percent of your grocery bag with foods that include vegetables, fruits, whole grains, nuts, legumes, coffee, and tea.”


Author Bio

Sarah began her interest in nutritional healing at an early age. After going through health problems and becoming frustrated with the conventional ways doctors wanted to treat her illness (which were not working), she took it upon herself to find alternative treatments. This led her to revolutionize her own diet to help her get healthier and tackle her health problems. She began treating her illness by living a more balanced lifestyle through healthy food choices, exercise and other alternative medicine such as meditation. This total positive lifestyle change led her to earn a diploma in Nutritional Therapy from Health Sciences Academy in London, England. Today, Sarah enjoys helping others by teaching healthy lifestyle changes through her personal consultations and with her regular contributions to the Doctors Health Press. Also, passionate about following her dreams in life, Sarah moved to France and lived in Paris for over 5 years where she earned a certification in beadwork and embroidery from Lesage (an atelier owned by Chanel). She then went on to be a familiar face sitting front row and reporting from Paris Fashion Week. Sarah continues to practice some of the cultural ways of life she learned while in Europe. They enjoy their food, and take the time to relax and enjoy many of life’s little moments. These are life lessons she is glad to have brought back home with her.

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https://www.eurekalert.org/pub_releases/2021-06/asfn-sch052821.php
https://www.health.harvard.edu/staying-healthy/the-right-plant-based-diet-for-you

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