The journal Nature Medicine published a major study about a cohort of over 105,000 people followed for 30 years. This is that researchers found.
Correlation isn't causation. But that's still interesting.
First off, this chart seems to be rather cherry-picked, with some information just outright wrong. When corrected for body size, the human digestive tract is significantly shorter than herbivores and longer than carnivores. That suggests that we're omnivores.
Second, explain how humans have binocular vision, a trait common to every land-based carnivore and omnivore.