Health problems. Lots of things that can go wrong here but I wont bother to go into too much detail because you have heard it all before. These problems are very dosage dependent and drug dependent. Enlargement of the heart is probably the biggest problem. Although enlarging your heart sounds like a good thing, its very, very bad and is what leads to heart attacks in young bodybuilders. Damaging your kidneys and liver is another relatively common problem as the body works overtime to filter out stuff that it doesnt want. Then there is the problem with natural testosterone production being shut down.
In mid-November 2012, an unknown number of Anonymous members coordinated and carried out a raid against the live chat section of the customer support department at , trolling the site’s staff members with the phrase “do you even lift?” On November 13th, Redditor MisSigsFan submitted a post titled “/b/ enjoys body building (a lot of screencaps but it’s worth it)”  to the /r/4chan subreddit, which featured a screenshot compilation of 100 live chat logs  revealing humorous exchanges between the staff members and trolls.
Note 6) There is a point of diminishing returns with lifting weights. At first, the strength and muscle mass gains are very rapid (the newbie effect). In each subsequent year, the gains are less and less until at some point you reach your genetic maximum and all gains cease despite intense workouts and flawless nutrition. How long it takes to reach the genetic maximum depends on many factors including genetics but most importantly on the intensity of the workout program. If someone lifts casually and does a whole body workout for 30min 3 days a week, they will never reach their genetic max. After 20 years, if they get serious about lifting, they could have a second chance at the newbie effect and spectacular gains despite their “ole” age. On the other hand if a teen starts professional powerlifting at age 16 then they might hit their genetic max very early, perhaps in as few as 6 years.