Nudges are designed to steer individuals in certain directions without limiting their freedom of choice, according to Thaler and Sunstein, who introduced the concept of nudges in Health in 2008.

Nudges can function as innovative policy tools to curb the obesity crisis, including ‘‘nudges” such as disclosure policies, warnings, reminders, and feedback.

The promise of such approaches is that they may have large effects on health without forcing anyone to do anything and indeed without imposing strictly economic incentives (such as taxes or subsidies) of any kind.

(Reisch et all, 2017)

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