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For cannabis patients, that confusion gets worse because nicotine data, cannabis products, and social media advice often get mixed together

A recent study in the scientific journal Nature found evidence of human tobacco use as far back as 12,300 years ago

Thirty-eight percent were born to mothers who did not smoke, 25.6 percent to mothers who smoked less than a pack a day, and 36.4 percent to mothers who smoked a pack or more per day at some point during pregnancy

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Impact of prenatal tobacco smoke exposure, as measured by midgestation serum cotinine levels, on fetal biometry and umbilical flow velocity waveforms