Okay, please explain the science that people are following. As for the one bad situation, please take a look at this list - https://en.m.wikipedia.org/wiki/List_of_largest_pharmaceutic.... this is the top 20.
Compared to the "hard" sciences, medicine has not very high standards. And trials are completely profit-motivated, that's a bad incentive. These trials are conducted by the same companies who had no qualms to sell highly addictive stuff to people. Why should I trust that the data they publish is the data they collected?
If somebody said I've discovered time travel and the onus is on you to prove me wrong you'd call them out.
Explain the science or gtfo