Effects of Substance Use:
Substance users reported various effects, some positive and some negative (Table xx). Both marijuana and CBD users reported concentration difficulties and energy changes; CBD users mainly noted an improvement in energy, while marijuana users noted increased drowsiness. Appetite changes were frequently reported; many marijuana users reported improved appetite, while many e-cigarette and cigarette users reported decreased appetite. E-cigarette users frequently experience nausea and vomiting. Cough and shortness of breath were often reported by e-cigarette and cigarette users. Despite reporting various effects of substance use, the majority of current users reported no weight or lung function changes related to their substance use.