Changing smoking rate ratios over time by sex, cause of death, and ethnicity Poisson smoking-mortality RR estimates fully-adjusted for SEP and HHS increased over time, mostly between 198184 and 199699 in men and women, with only modest increases from 199699 to 200611
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Science news Humanities 4,000-year-old teeth record the earliest traces of people chewing psychoactive betel nuts 4,000-year-old teeth record the earliest traces of people chewing psychoactive betel nuts Humans have used psychoactive plants for their narcotic effects for thousands of years
Appealing and highly detailed cigar bands can enhance our perception of a cigar, call attention to the wrapper leaf, and influence our purchasing decisions
Toronto, ON, Canada: Addiction Research Foundation