picture of tobacco plant Growing tobacco, small scale gardening - General Gardening Tobacco, Massachusetts Wrapper (Organic) -
Description
Theophylline, tacrine, acetaminophen, caffeine, and clozapine are all drugs metabolized by CYP1A2, and smokers may require higher doses of these and other medications metabolized by CYP1A2 to achieve a therapeutic response (5)

TPSAC, Menthol Cigarettes and Public Health: Review of the Scientific Evidence and Recommendations

International journal of obesity (2005)
That means theres not much to worry about if plants are otherwise healthy and fast-growing without any sign of symptoms spreading

Heart palpitations are very common and are usually a normal response to stress or anxiety
