Under Ballot Measure 110, instead of arresting drug users, police give them a citation and point them towards treatment. Over three years in, there's a debate about whether it's succeeded or failed.

Overdose deaths have risen sharply across Canada in the past five years, with deaths linked to fentanyl doubling. Officials hope decriminalization will make more users willing to seek medical care.

Oregon's bold move to decriminalize small amounts of all hard drugs and expand treatment is now meeting the reality of implementation as the treatment community is divided over the way forward.

On Monday, the Atlanta City Council voted unanimously to weaken punishments for the possession of marijuana. Now, those caught with an ounce or less...