What are reasons a Vegetarian diet is better than a carnivorus diet?

Its for a medical class, and i havent found any websites with the answers my teacher is looking for.What are reasons a Vegetarian diet is better than a carnivorus diet?
Animal protein is accompanied by a number of things which are unhealthy.



By being at the top of the food chain, animals accumulate insecticides and other toxins.



Animal protein also comes with a lot of saturated fat and cholesterol.



Animal protein comes with a lot of purines (associated with DNA etc) which metabolizes to uric acid which harms your joints and other tissues.



Animal protein comes with heme bound iron (from blood) which causes problems with the pancreas and can lead to diabetes and various kidney problems.



Animal protein is muscle tissue. When it is partially digested, pieces of it can stick in your intestines for days if not weeks.

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