the effects of cigarette prices on youth smoking are more sensitive to price changes in cigarettes than adults Survey: Youth smoking at all-time

That is, given current evidence suggesting smoking is substantially more dangerous than using ENDS, the health costs from greater youth smoking as a result of ENDS taxes may outweigh benefits from reduced youth ENDS use , though an exact calculation is beyond the scope of this research. (emphasis added) Using several years of data from two large national surveys, these investigators found that while higher e-cigarette taxes reduce e-cigarette use, we estimate sizable positive cigarette cross-tax elasticities, suggesting economic substitution between cigarettes and e-cigarettes for youth

Contributed reagents/materials/analysis tools: GC SG

"I was born five minute before you, and from birth we have been identical." Sarah sat in the chair looking at the ruby, and absorbing every word Gill told her as if it was her own memory

For STIs caused by bacteria (gonorrhea, chlamydia, syphilis), the picture is different