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None of the stories are particularly memorable, but some actors make their segments more appealing than others
Chen Y, Huang P, Ai W, Li X, Guo W, Zhang J, et al
How Cigarette Smoking Causes False Breathalyzer Readings When you smoke a cigarette, the combustion process produces a chemical compound called acetaldehyde
This might explain why teachers who were concerned about their health tried to stay healthy and minimize their risk of infection by not smoking, and it might also explain the association between a worse expected disease outcome and smoking
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