According to survey data released today, drinking and cigarette smoking are less common among teenagers today than at any point in the last four decades. In this year’s Monitoring the Future (MTF) Study, which is funded by the National Institute on Drug Abuse and conducted by researchers at the University of Michigan, 35.3 percent of high school seniors reported that they had consumed alcohol in the previous month, compared to 68.2 percent in 1975, when the survey began. Past-month cigarette smoking fell from 36.7 percent to 11.4 percent during the same period.

The continued decline in smoking belies warnings that the rising popularity of electronic cigarettes would boost consumption of the real thing. MTF, which first asked about e-cigarettes in 2014, found them a bit less popular this year: Past-month use rose from 8.7 percent to 9.5 percent among eighth-graders but fell from 16.2 percent to 14 percent among 10th-graders and from 17.1 percent to 16.2 percent among 12th-graders. But in the National Youth Tobacco Survey, which is sponsored by the U.S. Centers for Disease Control and Prevention, vaping and smoking trends have been moving in opposite directions for several years.