Prospective study shows cannabis co-use adversely affects tobacco cessation outcomes in younger to middle-aged adults, suggesting improved treatment strategies.
This is the first prospective study designed to compare tobacco cessation outcomes by cannabis co-use status. Regular cannabis co-use had a negative impact on tobacco abstinence among younger to middle-aged adults. Addressing cannabis use should be incorporated into standard tobacco treatment to improve cessation outcomes.
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McClure et al. (2026) studied this question.
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