U.S. life expectancy jumped last year, and preliminary data suggests there may be another — much smaller — improvement this year.

The number of U.S. fatal overdoses fell last year.

The U.S. government will pay for a large study measuring whether safe injection sites can make a dent in the nation's overdose epidemic.

More than 107,000 Americans died of drug overdoses last year, setting another tragic U.S. record.

Justin Sullivan/Getty ImagesBOSTON - The rates of eighth, 10th and 12th graders who use e-cigarettes continued to rise this year and doubled from 2017 to 2019, according to research released Wednesday. "Current efforts by the vaping industry, government agencies, and schools have thus far proved insufficient to stop the rapid spread of nicotine vaping among adolescents," researchers wrote. Seven deaths so farThis week, a California man became the seventh person to die from a vaping-related illness in the US. Vaping-related illness recently killed another person in California, plus one person each in Kansas, Illinois, Indiana, Minnesota and Oregon, officials have reported. Researchers are now looking into 280 cases of lung illness associated with the use of e-cigarettes in 36 states and the US Virgin Island, they have said.