Rodent model studies are mostly done in very inbred mouse models. Toxicity and cancer data is typically done at doses a human could not possibly get in a lifetime.

Remember when BPA was a hormone in plastic? BPA was originally a failed attempt to make a synthetic hormone, the only way they could see anything like a hormone effects was when they injected huge amounts into rodent muscles. People went stupid with media driven fear.

Junk science is a waste of time and money.