>>1021453not necessarily heavy metals but any kind of free radicals, food additives, antibiotics, steroids, fertilizers, pesticides, plastics and any pollutant that might be in our air, water, soil, could end up more concentrated in animal products compared to plant based products because the animal could spend years eating those polluted foods to reach weight for culling.
Mad cow disease is just magnification of prions.
Those impurities contribute to the formation of cancers and other defects in bodily function, though who can say what concentration of what chemicals is actually gonna hurt us or what ppms of what is actually in whatever we're actually consuming