negative effects of cigarettes The Dangers Smoking and Vaping. Excerpt from my free newsletter Smoking - BBC Bitesize

Itll be enforced with a fine against those who sell, give, or offer tobacco products to a person younger than 21

Thomas KH, Martin RM, Knipe DW, Higgins JP, Gunnell D

Louis County and Kansas City, have prohibited the sale of tobacco products to people under age 21

Chem Res Toxicol 27:367376 Lo Sasso G, Titz B, Nury C, Bou S, Phillips B, Belcastro VT, Schneider T, Dijon S, Baumer K, Peric D, Dulize R, Elamin A, Guedj E, Buettner A, Leroy P, Kleinhans S, Vuillaume G, Veljkovic E, Ivanov NV, Martin F, Vanscheeuwijck P, Peitsch MC, Hoeng J (2016) Effects of cigarette smoke, cessation and switching to a candidate modified risk tobacco product on the liver of Apoe-/- micea systems toxicology analysis

(41) These websites contain more information about the dangers of e-cigarettes, particularly for teens and young adults: CDC