How much do you want to bet that these studies are completely fraudulent? Looking at the alzheimers research debacle academia has completely lost credibility. There are thousands of overly political and overzealous academics willing to lie or fudge the numbers to achieve political goals.
We really need to use the Grandma test for these things, does making something illegal make people do less of it? Yes, my grandma could have told you that. Guess what, we decriminalized drugs, users arent being punished. The users are now dying at record rates and more people are doing the drugs than ever!