Hi,
unfortunately most of us did not study medicine or do research on those topics.
We learned a lot on the medicine and especially pharma industry how to us us folks as money train.
Phrase needs to make profit and does not need healthy people.
Check out this book of first class research. It will help you with your fear.
https://www.amazon.com/gp/product/14...?ie=UTF8&psc=1
Mike.