A BMC Medicine Journal study involving 21 pairs of identical twins found that those on a vegan diet experienced a decrease in biological age and improvements in heart, hormone, liver, and metabolic systems over eight weeks. The study highlighted the potential longevity benefits, though it also noted risks like nutritional deficiencies and mental health concerns associated with veganism. A BMC Medicine Journal study involving 21 pairs of identical twins found that those on a vegan diet experienced a decrease in biological age and improvements in heart, hormone, liver, and metabolic systems over eight weeks. The study highlighted the potential longevity benefits, though it also noted risks like nutritional deficiencies and mental health concerns associated with veganism. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle