This study by Jon E. Grant, M.D., Matt G. Kushner, Ph.D., and Suck Won Kim, M.D. establishes a link between alcohol addiction and gambling addiction. Many casinos offer free alcohol because it increases the likelihood of people losing their self-control. The more people lose their self-control, the more money they lose gambling.
“They Looked Like They Were Getting Rich on Polymarket— but None of It Was Real” | Wall Street Journal
June 22, 2026
By Katherine Long, Caitlin Ostroff, Neil Mehta and Brenna T. Smith “The prediction market has flooded social media with deceptive