Shelf life differential. Plant foods last longer than animal foods. Organoleptic Indications of Pathenogens. The correlation is an epidemiological fact. Yet most meats, when cooked, produce an array of benzenes and other carcinogenic compounds.
Cancer is infinitely easier to prevent than cure.
Soybeans contain protease inhibitor, a powerful anticancer compound. You won't find it in useful quantities in animal based food. Multiple Sclerosis Arthritis Gum disease Acne. Aggravated by animal food. Studies confirm that vegetarians tend to be thinner than meat eaters.