I talked to a friend who is a doctor once, and he started telling me some of the ethical concerns about studies. At some point my mind was reeling from all the

I talked to a friend who is a doctor once, and he started telling me some of the ethical concerns about studies. At some point my mind was reeling from all the implications and I don't know how they do studies in the first place. I'm sure there are common treatments in use for hundreds of years, but if they were discovered today would never get through the approval process.