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population studies to work out their findings: the British Doctors Study and the Million Women Study

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Some have accepted smoking as a component of their identity, while some have ultimately stopped for reasons of health

Estimate the causal effect of California's Proposition 99 tobacco control program on cigarette sales using the synthetic control method in Stata, with in-space placebo, in-time placebo, and leave-one-out robustness tests

Many people search for answers on whether stopping cigarettes leads to heartburn or worsens gastroesophageal reflux disease, also called GERD
