every ingredient in a cigarette What's Really Chemicals in Cigarettes: From Plant

In 2018, 12.5% of middle school students reported they use a tobacco product, compared to 31% of high school students, a CDC survey found

Exposures such as dust mites, pet dander, pollen, mould, household chemicals, smoke or vaping residue can disrupt the skin barrier and activate immune responses

J Nutr Sci Vitaminol (Tokyo) 62(1):5461 Rautalahti M, Virtamo J, Haukka J, Heinonen OP, Sundvall J, Albanes D, Huttunen JK (1997) The effect of alpha-tocopherol and beta-carotene supplementation on COPD symptoms

Famous Trials: The Alger Hiss Trials 194950

These findings could open the door for new treatments targeting this mechanism, but in the meantime, experts say this is yet another reason to quit smoking