The authors of this study make one of the most cardinal errors in all of epidemiology. They ignore the principle that "correlation does not equal causation."

Ironically, Mayor Canepa wants to close up shop for stores which are arguably selling a product that deters consumers from using toxic tobacco cigarettes, while at the same time, protecting existing stores from this competition and allowing them to continue selling their deadly cigarettes to Daly City smokers, which according to recent data, include children, who were able to buy cigarettes at Daly City cigarette stores.

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