Netflix's 'You Are What You Eat' uses a twin study. Why studying twins is so important for science medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.
Twenty-two sets of identical adult twins participated in a randomized clinical trial where one twin adopted a vegan diet and the other ate an omnivorous diet. Experts break down the results.