These 12 cases were compared to 27 controls with no history of respiratory infection, matched on age, gender, race, SES, and HIV status
The products were often marketed using phrases like 'safer,' 'make the switch,' and 'no tar' to give consumers the impression that vape pens and e-cigarettes were better for their health than traditional tobacco products
Department of Justice would later put it, they decided to deceive the American public about the health effects of smoking. At first, the companies didnt think they needed to fund new scientific research, thinking it would be sufficient to disseminate information on hand. John Hill disagreed, emphatically warn[ing] that they should sponsor additional research, and that this would be a long-term project
In the third pairing, smoking status is the exposure variable, and bipolar disorder is the outcome variable
Long-term use increases the risk of heart attack, blood pressure fluctuations, starvation, infertility, and sudden death
