(Seattle, WA)  --  The number of marijuana-related emergency calls is increasing across Washington, according to a new report.  The Washington Poison Center says it received 286 emergency calls in 2016, up from 265 the year before.  Officials say the most marijuana-related emergency calls came from people aged 20 to 29.  The Poison Center's Toxic Trends Report shows emergency calls involving opioids have remained steady, while calls relating to e-cigarettes are down.