Weren’t Schwarzenegger and Ferrigno using them well before that?
yes- as well as many of the soviet block nations, especially the east germans...
but in the mid ‘80s they started moving from injection steroids to ben gay type of cream and man more oral steroids...
And “Superstar” Billy Graham
I believe it started to become prevalent in the 50’s.
http://www.intheknowzone.com/substance-abuse-topics/steroids/history.html
No clue if this site is legit