Abstract
This letter aims to highlight a hidden threat in Portugal, scratch cards. Despite having highly addictive components, as compared to other gambling products, scratch card regulation is almost non-existent, possibly leading to an ever-growing multibillion industry. Vulnerable people are easily attracted and there are no strategies to prevent problematic use. Interestingly, however, scratch cards and other lotteries are exclusively provided by a non-profit state-owned organization supposedly promoting responsible gambling. This concern is presented as a starting point for raising awareness in the general public, scientific community and regulatory bodies, so that effective action can follow.
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