If you've ever played the lottery or made a bet on a football game, you've gambled. While a dollar lottery ticket may seem innocent enough, many people across the globe rack up significant gambling debt each year. In California, 1 million residents are addicted to gambling. To counteract the problem, the state has created a voluntary ban from casinos [source: Trujillo]. But now that online gambling sites are bringing casinos into homes and dorm rooms, gambling has become extremely accessible, and the problem is spreading. With easily accessible loans and odds that rarely favor the gambler, it's easy to see how gambling debt can get out of control.