Blame opioids for a fifth of young adult deaths in the United States
The drugs were behind just 4 percent of deaths in 2001 for this age group
![woman visiting grave](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/06/060118_AC_opioid-death_feat.jpg?fit=860%2C460&ssl=1)
IN MEMORIUM A woman visits the grave of her fiancé, who died of an opioid overdose in 2014 at the age of 28.
Jim Cole/AP Photo