No tobacco or cannabis use Results People in groups A and B (with an early onset of tobacco only, or both cannabis and tobacco) had higher rates of psychotic symptoms at age 18, with odds ratios (OR) of 3-4 When adjustments were made for potential confounders, the association persisted for cannabis plus tobacco, and diminished for tobacco only, with the OR dropping to 1.8, and the confidence interval crossing 1
a negative coefficient indicates the product is an inferior good
Key points include popular flavors and brands, proper smoking technique, and storage recommendations for maintaining freshness
This tutorial is packed with information that will help you fly with a vape, e-cig, or any other vaping accessory
Measures of the attractiveness of tobacco products and additives