tobacco law massachusetts Enacts U.S.'s Toughest Flavored-Tobacco Ban History of tobacco minimum purchase

Food and Drug Administration now regulates the use of electronic cigarettes, and more than 500 municipalities across the United States have passed laws requiring vaping to be treated like traditional smoking

Certain accommodations can be made for those with mobility issues

Make the AQI number understandable Use cigarette-equivalent framing, PM2.5 estimates, and all-day exposure comparisons to decide whether this is background noise or a day-changing risk

Competing interests: All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf and declare no support from any organisation for the submitted work

Stair climbing and walking further or performing minor exercises become easier