If you're interested in reading about the darker side of gambling, I recommend this long-form from The Atlantic: "How Casinos Enable Gambling Addicts."
"Did Scott Stevens die because he was unable to rein in his own addictive need to gamble? Or was he the victim of a system carefully calibrated to prey on his weakness?"
https://www.theatlantic.com/magazine/archive/2016/12/losing-...