Dobaradaran, S., et al
Most children earned the federal minimum wage of $7.25 per hour for their work on tobacco farms, though some children working in burley tobacco were paid a fixed rate during certain parts of the season based on the quantity of tobacco they harvested or hung in barns
This is because tobacco disturbs and inflames both the heart and blood vessels, which in turn, increases heart rate and blood pressure
Exhibiting tolerance to the substance: Repeated substance use leads to neural adaptations that decrease sensitivity to the effects of the drug, as explained by the National Institute on Drug Abuse in their June 2018 publication titled Understanding Drug Use and Addiction DrugFacts . As a result, the individual needs more of the substance to experience the earlier level of high (tolerance)
Chem Biodivers 4(8):17701804 Huestis MA, Sempio C, Newmeyer MN, Andersson M, Barnes AJ, Abulseoud OA, Blount BC, Schroeder J, Smith ML (2026) Free and glucuronide urine cannabinoids after controlled smoked, vaporized and oral cannabis administration in frequent and occasional cannabis users