@article{Fox2017, December 21,
author = {Fox, M.},
title= {U.S. life expectancy falls for second straight year: As drug overdoses soar},
year = {2017, December 21},
URL = {https://www.nbcnews.com/storyline/americas-heroin-epidemic/u-s-life-expectancy-falls-second-straight-year-drug-overdoses-n831676},
}