smoking cigarettes and headaches does cause File:Tobacco diagram.png A study led by @ucalgarymed

In 1943, a paper prepared by German scientists Eberhard Schairer and Erich Schniger at Jena University confirmed this study, and convincingly established for the first time that cigarette smoking is a direct cause of lung cancer

The South Dakota Medicine journal writes of twin and family studies that have shown that there are several genes that cause an individual to become more susceptible to being addicted to nicotine. The genes in question determine how many receptors the brain produces to metabolize the nicotine in an inhalation

And when I followed in their ashy footsteps, they were also the first cigarettes I smoked too

She's a mess

The tobacco industry has historically concealed information about pesticide contamination in tobacco products, limiting consumer awareness