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Last year, New Jersey, Maine and Oregon all passed legislation to raise the smoking age to 21 in those states, joining Hawaii and California, whose 21-and-over tobacco laws went into effect in 2016

In flue-cured areas, no matter the crop size or quality, about five to seven per cent is going to enter the trade outside of contract stations, he said

Transfer 1 larva into each clean vial or bottle and add an inert material such as sawdust, shredded paper, or potting soil to loosely cover the caterpillar

This is an active area of research, but the emphasis in this chapter is on genetic studies related to initiation and the trajectories of smoking across adolescence (see also Chapter 4)