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Though the randomized control trial is seen as the gold standard for untangling correlation from causation, practicality and ethics often mean we have to make do, says Dennis Cook, a professor of statistics at the University of Minnesota

doi:10.1001/jamanetworkopen.2024.26702

Nicotine Tob Res 20(7):903907 Hiler M, Breland A, Spindle T, Maloney S, Lipato T, Karaoghlanian N, Shihadeh A, Lopez A, Ramoa C, Eissenberg T (2017) Electronic cigarette user plasma nicotine concentration, puff topography, heart rate, and subjective effects: influence of liquid nicotine concentration and user experience

CL: One of the biggest obstacles we face is finding a high-end cannabis market in Colorado

Full-year revenue declined 1% to $2.92 billion, while adjusted operating income fell 13% to $211.3 million