This website - nutritionfacts.org has lots of interesting short videos based on scientific publications about the benefits of a plant based diet - how a plant based diet can slow cancer growth, slow aging, avoid brain parasites, etc. If you are interest in facts and figures or just overall health in general this site can help.
Slowing cancer growth on a plant based diet
Do you know fish and processed meat ages our DNA?
Something disgusting about milk
Brain parasites in meat