The movie, Veducated, went on to make some interesting claims, such as vegans have a 26% lower chance of dying from heart disease, and made the connection that saturated fat and cholesterol levels clogged arteries which contributed to heart disease in the SAD.
A different cause to reconsider how you ate, something I had never considered, was that the livestock industry contributes to 18% of the global warming issue, more than the entire transportation industry, which is only 13%. One of the people interviewed in the movie asked us to please consider eating less meat, as meat is very carbon intensive, which they believe contributes to climate change. The movie also explores the fish supply, and mentions that 25% of what fisherman catch is discarded, according to their source from US News and World Report.