Its essentially never used in mainstream cigarettes, but its the signature leaf of English pipe blends like the classic Balkan and English mixtures
Favorite menu item & cocktail pairing

Evidence from ILO projects underscores the fact that, for persons under 18, PPEs give a false sense of security and are not consistently worn because they are generally too large, too expensive, and too uncomfortable.[289] Recognizing the risks to children of work in tobacco farming, the US Department of Labor (DOL) proposed regulations in 2011 that would have prohibited all children under 16 (the minimum age for hazardous work in agriculture in the US) from all work in the tobacco production and curing, including, but not limited to such activities as planting, cultivating, topping, harvesting, baling, barning, and curing.[290] However, the regulations were withdrawn in 2012 in response to pressure from agricultural groups.[291] As noted above, the ILO Committee of Experts strongly urged the US government to reconsider withdrawal of the proposed regulations.[292] Hazardous Child Labor in Tobacco Farming outside the US Such problems documented by Human Rights Watch in the US seem likely to extend to tobacco farms outside the United States

It doesnt specify whether the farm is producing corn or tobacco, but the kid who works in a farm that produces corn is exposed to much less than a kid working a farm that is producing tobacco