When World Cup season descends upon soccer-mad Brazil, green and yellow banners decorate restaurants, bars and apartment buildings, streets are painted with flags and soccer balls, and discussions of the beloved national team's games are ubiquitous.
But this year, another topic has taken center stage: the prevalence of ads for bets on the games, even as the country grapples with a surge in gambling which leaves some with crippling debt and has led to the number of people seeking care for addiction more than doubling in the past five years, according to Brazil's health ministry.
