Does perception of drug-related harm change with age? A cross-sectional online survey of young and older people.

Objectives: To investigate how young and older people perceive the harms associated with legal and illegal drugs.

Design: Cross-sectional study: adults aged 18-24 years versus 45+ completed an online survey ranking the perceived harms associated with 11 drugs on 16 drug-related harm criteria.

Setting: Online survey.