Animal Studies Are Scarier Than Animal Studies

It's easier to do experimental studies ona non human animals, like lab rats. Scientists are not being gouls by pumping rats full of enough asper tame to kill them. Sweetenlow is fine. Rats you can keep in the lab for their entire lives. Humans you can't. There are many big observational studies that link diet soda consumption with elevated risk of typeto, diabetes, obesity, heart disease. But correlation is not causation. When scientists do awesome statistical magic to try to determine causation, diet soda is sometimes exonerated. It could be that diet soda drinkers eat a lot of bacon. Or perhaps it's because there are people who rationalize their unhealthy life style by saying