Study: Half as many people are trying heroin, but marijuana use grows

Editorial: Why medical marijuana may be the answer to the opioid epidemic

Synthetic urine the new way for some to beat drug tests; states rushing to ban it

Two new studies show how marijuana can help fight the opioid epidemic

Trump vows wall will keep drugs out of U.S., threatens death penalty for opioid traffickers

Trump’s 24-year-old drug policy appointee to step down by month’s end

Potency, purity of drugs reaching even higher levels

Study: Medical marijuana an alternative for opioids

White House opioid commission rejects medical marijuana as pain relief option

Drug czar nominee withdraws from consideration after opioid revalations