Tobacco: other; youth tobacco act; prohibit selling, giving, or furnishing tobacco products or tobacco paraphernalia to individuals under 21 and repeal prohibition of the purchase, possession, or use of tobacco products by minors. Amends title & secs. 1, 2a & 4 of 1915 PA 31 (MCL 722.641 et seq.); adds sec. 3a & repeals sec. 2 of 1915 PA 31 (MCL 722.642 ).