Carrying out the meta-analyses Fixed-effect and random-effects meta-analyses were conducted using the method of Fleiss and Gross [13], with heterogeneity quantified by H, the ratio of the heterogeneity chisquared to its degrees of freedom, which is directly related to the statistic I 2 [16] by the formula I 2 = 100 (H-1)/H
Smokings popularity reached its zenith in the middle of the 20th century, from the 1940s to the 1960s
Chinese silversmiths made up Western sounding names to use as pseudonyms
Lastly, since e-cigarettes are not regulated by the FDA, they sometimes contain harmful ingredients
California has enacted one of the strictest flavored tobacco and vaping bans in the country, and enforcement tightened significantly at the start of 2026
The only criterion was: Whats the best story for right now