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Study Links Plant-Based Diets to Lower Heart Disease Risk, According to New Research

A new study published in the Journal of the American Heart Association finds that individuals following plant-based diets have a 25% lower risk of developing heart disease compared to those consuming high amounts of animal products, according to researchers at the Harvard T.H. Chan School of Public Health.

The analysis, which tracked 12,000 participants over 10 years, defined plant-based diets as those emphasizing fruits, vegetables, whole grains, and legumes while minimizing meat, dairy, and processed foods. Participants with the highest adherence to such diets showed significantly lower levels of LDL cholesterol and blood pressure, key risk factors for cardiovascular disease.

Dr. Emily Rodriguez, a nutrition scientist at the University of California, San Francisco, who was not involved in the study, noted that “the findings align with broader evidence supporting dietary patterns rich in plant foods, but emphasize the importance of quality over restriction.” She cautioned against overly processed vegan alternatives, which may negate potential benefits.

The study also highlighted disparities in access to healthy foods, with lower-income groups less likely to adopt plant-based diets due to cost and availability. Public health experts called for policy interventions to improve affordability and accessibility of fresh produce.

The American Heart Association has not yet updated its guidelines but acknowledged the research as “contributing to the growing body of evidence on diet and heart health.” Further studies are needed to confirm long-term outcomes and address gaps in diversity among study participants.