Why do children in Mea Shearim smoke cigarettes?
Your Question should read "Why do some children in Mea Shearim smoke cigarettes." The number that do so are a small fraction, significantly less than their counterparts in the rest of Israel and the rest of the world. Have you ever even been there? To address your Question, the answer is that those who do smoke (teens, not children) do it for the same reasons as teen smokers everywhere.