tobacco freedom from smoking Images Nicotine Free: Freedom From Tobacco

The company also expanded distribution of its own cigarette label to recently acquired chains, giving more customers a lower-priced alternative as the cost to light up climbs with tax increases on tobacco

The KUMC Institutional Review Board determined the consent of organ donation for research covers research use of this material and, since lungs were obtained from deceased individuals with minor, de-identified information, its use is not considered human subjects research as defined by CFR 46.102

Journal of environmental monitoring 6:74N-83N

Im not sure if the reason is age & fermentation or just a difference in the ingredients used