16 dic 2018 año - Most teen drug use is down, but officials fret vaping boom.

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https://www.seattletimes.com/nation-world/most-teen-drug-use-is-down-but-officials-fret-vaping-boom/
The teenage drug use percentage has lowered down but they've discovered something more "time wasting" Vaping. Vapes contain nicotine which is bad for the lungs and contains other illegal part substances depends on which vape you do buy. Vapes just help ruin your lungs.

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