According to news reports, a year into sales of recreational marijuana in Colorado, the state’s Marijuana Enforcement Division still has yet to start ordering the testing of marijuana for contaminants, something the state of Washington has been doing for nearly six months. Washington State’s test results have shown that 13 percent of marijuana and THC-infused

The Morbidity and Mortality Weekly Report (MMWR) series is prepared by the Centers for Disease Control and Prevention (CDC).  Often called “the voice of CDC,” the MMWR series is the agency’s primary vehicle for scientific publication of timely, reliable, authoritative, accurate, objective, and useful public health information and recommendations.

MMWR readership predominantly consists of physicians,