How tobacco retail exposure impacts smoking behavior

Studies have found that the density of tobacco retailers in a neighborhood is associated with smoking, the leading cause of preventable disease and death. But what if smokers and policymakers were able to understand the impact of this exposure not just on a population level but at the individual level? Rather than relying on longer recall periods and assumptions about how people move through their neighborhoods, as many studies do, what if researchers could follow the movements and behaviors of smokers more naturally—hour by hour, day by day?

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