The Commission adopted the first guidelines for reducing polycyclic aromatic hydrocarbons (PAH) intake through final food preparation.
委员会通过了关于在食品最后制备过程中减少多环芳烃摄入的第一份准则。
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To study how a cigarette's contents impact human DNA, Hecht and his team used 12 volunteers to track PAHs, or polycyclic aromatic hydrocarbons, which are pollutants found in tobacco smoke.