tobacco to weed ratio Measuring PM2.5 concentrations from secondhand vs. marijuana smoke in 9 rooms of a detached 2-story house RISE DISPENSARY - HALLANDALE BEACH
Description
It does not contain the harmful chemicals that are found in vapes or tobacco products

9,750 deaths a year in the U.S

Data from all 50 U.S

The weight of the literature instead finds similarly small externalities, but some notable exceptions actually find social savings from smoking (although these tend to be in countries with higher public expenditures on health than the United States)
