It found certain molecular fingerprints of DNA damage called mutational signatures in the smokers DNA, and the scientists counted how many of these were in different tumours
Support a public health approach to drug use to minimize the adverse consequences of drug use, to reduce drug dependence, and to support safe habits around drug use and increased access to emergency care, including syringe exchange programs, Good Samaritan legislation, standing orders for naloxone, and other harm reduction measures
doi: 10.1007/s13311-015-0387-1 Schier ARD, Ribeiro NP, Silva AC, et al
Damage to ones skin, mouth, hands, feet, respiratory system, heart, bones, and reproductive system becomes readily evident in long-time smokers [7-9]
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Vaping could it leave marks as well