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The original was posted on /r/science by /u/mvea on 2023-12-03 11:59:35.

Original Title: A Stanford Medicine-led trial of 22 pairs of identical twins comparing vegan and omnivore diets found that a vegan diet improves overall cardiovascular health in as little as 8 weeks. By studying identical twins, researchers were able to control for genetics, same households and similar lifestyles.