• Inexpert injecting is very dangerous and can cause serious harm or even kill.

• Sharing injecting equipment puts users at risk of dangerous infections like HIV and hepatitis.

• Taking anabolic steroids carries many health risks and can stop young people from growing properly.

Risks for MEN include: erection problems, breast growth, shrinking testicles, reduced sperm.

Risks for WOMEN include: growth of facial hair, deepening voice, shrinking breasts, messed-up menstrual cycle. The drug can affect the foetus if the user is pregnant.

Men and women both risk acne, liver disease, sterility and a narrowing of the blood vessels which can increase the risk of heart attack.