Young teens who were frequent video gamers had more gray matter in the rewards center of the brain than peers who didn’t play video games as much — suggesting that gaming may be correlated to changes in the brain as much as addictions are. This characteristic is precisely why casino owners are aiming to promote internet gambling and target those who are already prone to addiction.
“New York City Launches Sweeping Investigation Into Polymarket and Kalshi” | The Wall Street Journal
August 12, 2026
By Kevin T. Dugan, Katherine Long “The New York City Council is investigating four prediction markets for alleged deceptive marketing