[gowld]

https://pubmed.ncbi.nlm.nih.gov/20153798/

> Use of AAS in combination with alcohol largely increases the risk of violence and aggression.

> Based on the scores for acute and chronic adverse health effects, the prevalence of use, social harm and criminality, AAS were ranked among 19 illicit drugs as a group of drugs with a relatively low harm.

It's hard to get good research data on extreme abuse of illegal drugs, for obvious reasons.

[radlad]

It is typically possible to find a study for any claim, which is why I reach for meta-analyses.

It's worth noting alcohol is very well-documented for its risk of increased aggression and violence - testosterone is not necessary.