Late returns appear to have won the vote making Denver the first city to decriminalize psilocybin in a historic municipal vote.

Denver may become the first city in the nation to allow possession of personal quantities of psilocybin if a controversial ballot initiative passes on Tuesday.

Spravato (aka Esketamine) will be administered by nasal spray and is the first fast-acting treatment of its kind.

Better known as "club drug" Special K, ketamine has shown remarkable potential in treating depressed or suicidal patients.

No, not that kind.