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Adolescence is a critical transition period, and tobacco exposure at such a young age increases risks for lifelong addiction

La concentration en nicotine dpend de votre consommation, de votre manire de fumer (inhalation, vapotage) et de la dure entre la tte et votre dernire cigarette

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Students who were absent received a pack with the questionnaire and answer sheet from teachers later to be returned directly to us in a prepaid envelope