More adults think marijuana safer than tobacco despite similar health dangers, study finds

More Americans think smoking marijuana every day and secondhand exposure is safer than inhaling tobacco despite medical research showing otherwise, a study has found.
 
Nine researchers published the study Friday in JAMA Network Open. They surveyed 5,035 adults about their perceptions of the two substances in 2017, 2020 and 2021.
 
Respondents perceived daily smoking of cannabis or smoke exposure to be safer than tobacco and increasingly favored cannabis over tobacco in each succeeding survey, the study reported.
 

The findings show the need...