I couldn't believe this hysteria on 60 Minutes last night. Embedded video:
And the summary: "Lesley Stahl reports on the proliferation of gambling to 38 states and its main attraction, the slot machine, newer versions of which some scientists believe may addict their players."
Some scientists believe that slot machines may addict their players? File this one under: NO SHIT SHERLOCK. They are, and always were, designed to do EXACTLY that - from colors and the specific tones of the sounds, to the randomized reward schedule.