This document discusses the prevalence of smoking among different ethnic groups in the US. It notes that American Indian/Alaskan Native adults have the highest smoking rates, while Asian Americans have the lowest. The document outlines the many harmful chemicals found in cigarette smoke and their negative health effects. It also discusses how smoking aims to target youth and minorities through tactics like increasing nicotine levels. The document urges readers to quit smoking due to the significant health benefits within 20 minutes to 15 years of stopping.