They used marijuana that had much lower potency than the pot available today and they failed to account for normal levels of ventilation in rooms
The Microsoft team built a computational model to look at how the deaths correlated with maternal smoking behavior, controlling for a variety of potential confounding factors or other variables that might have explained the increases in sudden deaths including race and mothers education level
Despite their best prevention efforts, firefighters are still called upon to extinguish human-caused wildland fires all over the state. Discarded cigarettes are a frequent cause of wildland fires along roadways, according to the Lincoln County Sheriffs Office
What causes sinusitis symptoms to develop or worsen over time
Marshal Samuel Gerard in the thriller film The Fugitive (1993)
Introduction Schizophrenia, which affects around 1% of the worlds population ( Previous research revealed that genetic and lifestyle variables may influence the metabolism of clozapine ( Although multiple studies have identified a correlation between drug usage and clozapine levels, their causal relationship is unclear due to confounding variables