One of the primary active compounds in tobacco smoke is nicotine

(Image courtesy of the National Postal Museum) Springer TG390, 2-3/4 ounces, Series 107, John Quincy Adams Springer TG391, 3 ounces, Series 107, John Quincy Adams Springer TG392, 3-1/4 ounces, Series 107, John Quincy Adams Springer TG394, 3-3/4 ounces, Series 107, John Quincy Adams Springer TG???, 12 ounces, Series 107, John Quincy Adams Springer TG406, 15 ounces, Series 107, John Quincy Adams Springer TG407, 16 ounces, Series 107, John Quincy Adams Series 108 (1938) Springer TG405, 1/8 ounce, Series 108, John Quincy Adams Springer TG412, 3/4 ounce, Series 108, John Quincy Adams Springer TG414, 1 ounce, Series 108, John Quincy Adams Springer TG416, 1-1/4 ounces, Series 108, John Quincy Adams Springer TG418, 1-1/2 ounces, Series 108, John Quincy Adams Springer TG419, 1-5/8 ounces, Series 108, John Quincy Adams Springer TG420, 1-3/4 ounces, Series 108, John Quincy Adams Springer TG421, 1-7/8 ounces, Series 108, John Quincy Adams Springer TG422a, 2 ounces, Series 108, John Quincy Adams, plate number 37784, with 1A

If a burn does not heal within a week, regardless of its size or severity, make an appointment with a doctor
Diabetologia 47 , 19531956 (2004)
Similarly, this July, Canadas two largest cigarette companies, Imperial Tobacco Canada and Rothmans Inc., pleaded guilty to aiding fsmuggling during the early 1990s