I highly recommend that everyone read “The Drug Story” by Morris Beale.
I have a 6th printing of this excellent book (May 1950) and have read it at least 3 times. They’re not impossible to find, but are getting a bit pricey.
http://www.abebooks.com/servlet/SearchResults?an=morris+bealle&sts=t&tn=the+drug+story
Thank you for your posting.
Yes!!! Very enlightening!