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A vegan meal including a crepe, cabbage, and a vegan sauce. A newly published study is reporting that eating a vegan diet for just eight weeks could reduce biological aging estimations based on changes in DNA methylation. Previous studies have shown that DNA methylation, also known as the ‘epigenetic clock’, is associated with aging.
Both diets were healthy, featuring vegetables, legumes, fruits and whole grains but without sugars and refined starches. One half of each twin pair was assigned to eat a healthy omnivorous diet for eight weeks whilst the other twin was assigned a vegan diet for the same length of time. The omnivorous diet consisted of between 170 and 225 grams of meat, one egg, and one and a half servings of dairy each day.
Professor Gardner and collaborators weighed and collected blood samples from all study participants at baseline, week four, and week eight of the study and analyzed their DNA methylation levels to infer the biological ages of the participants and of their organ systems. Professor Gardner and collaborators found decreases in estimates of biological age in the study participants who ate a vegan diet but not amongst those who ate an omnivorous diet.
Biological Age DNA Methylation Epigenetic Aging Clock Public Health Grrlscientist Food Identical Twin Study Aging Gerontology
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Short-term vegan diet may slow aging, but questions remainEmily is a health news writer based in London, United Kingdom. She holds a bachelor's degree in biology from Durham University and a master's degree in clinical and therapeutic neuroscience from Oxford University. She has worked in science communication, medical writing and as a local news reporter while undertaking journalism training.
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