GLOSSARY: Tobacco leaf pattern
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The marijuana smokers were ages 20 to 73, the nonsmokers were ages 19 to 75, and the tobacco-only smokers were ages 50 to 71
doi:10.22158/rhs.v5n2p6 39
They are generally harmless
Cancer 3 Hosseinzadeh Colagar A, Jorsaraee GA, Tahmasbpour Marzony E (2007) Cigarette smoking and the risk of male infertility
