Researchers have for the first time found a direct link between the use of the drug ice and violence.
The study, undertaken by the Australian National University, found users were six times more likely to demonstrate violent behaviour after using the drug.
The study tracked 278 chronic users of methamphetamine, commonly known as ice, and found that 10% of users were violent before they took the drug, compared to 60% when they were using the drug heavily.
Violence among ice users was previously well known. But it was unclear if ice users had a predisposition to violence, or if the drug was the cause.
Read more at Australian National University