federal legal age to buy tobacco History of minimum purchase by U.S. jurisdiction A federal law changed the

Stratified analysis by allergic sensitization We further stratified the analyses by allergic sensitization status (Table 2)

The rich tobacco leaf notes are laden with earthy, spiced notes and a powerful aroma

Since there is no safe tobacco product, both youth and adults who do not use tobacco products should not start using e-cigarettes

Recently, I asked a TSA officer inspecting a taxidermy bird I was transporting home what was the strangest thing hed ever seen in a carry-on bag

Although many cross-sectional studies assess current or lifetime substance use disorders, few studies characterize current substance use below the level of a disorder

Medical examinations in 20092010 and 20152016 included measurements of height, weight, blood pressure, and laboratory tests such as fasting glucose and cholesterol, serum creatinine, liver enzymes, and urinalysis (Supplementary Fig