Hopefully the link goes towards the correct comment (358th).
It is a research explaining the relationship between ADHD (Attention Deficit Hyperactivity Disorder) and gambling (and in this specific one, it even shows that alcohol is not even a confounding factor, although it is known that ADHD and alcohol disorder have a link, like let’s say in this study : www.ncbi.nlm.nih.gov/pmc/articles/PMC6683828/
edit : neat, didn’t know that, well then it’s easier, previous link was this https://pubmed.ncbi.nlm.nih.gov/26271807/