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26 February 2014, 00:00 | Updated: 30 March 2016, 13:50
Stats revealed exclusively to Capital Yorkshire show an 800% rise in steroid use in parts of West Yorkshire.
Figures from a needle exchange project revealed exclusively show five years ago steroid users were just 5% of their clients but last year that number had risen to more than 40%.
Some drug workers have told Capital they're dealing with steroid users who are as young as 13 years old.
The changing attitudes to men's bodies is one of the reasons being given.
There are warnings many people who are taking them do not realise the long term damage they could be facing; Liver, kidney and serious heart problems are all now being linked to long term use of some steroids.
In the short term users have reported sexual function problems and also issues of aggression.
Capital has spoken exclusively to one former user.
We have changed his name and disguised his voice to protect his identity.
For help, advice and more information about steroid use you can contact -