Although few pathogens can survive in both an animal and a human host, there is laboratory evidence that resistance can be passed across the species barrier through meat products.

BBC: Animals and antibiotics: the risks

That triggers a host of problems including non-alcoholic fatty liver disease, insulin resistance and diabetes.

CNN: When you're losing weight, where does the fat go?

In other words, chronically eating added sugar reduces BDNF, and then the lowered levels of the brain chemical begin contributing to insulin resistance, which leads to type 2 diabetes and metabolic syndrome, which eventually leads to a host of other health problems.

FORBES: What Eating Too Much Sugar Does to Your Brain