Since Yale researchers first observed the ability of the anesthetic ketamine to dramatically improve symptoms in many patients with treatment-resistant depression more than two decades ago, the drug ...

Matthew Perry died from the "acute effects of ketamine," according to an autopsy report released by the Los Angeles County medical examiner more than a month after the Friends actor died. The ...

Ketamine has long been considered a safe anesthetic, one perceived as carrying little harm and having the potential to help treat some of the most refractory mental health conditions. So when the Los ...

When people use ketamine for depression under medical supervision, doctors don’t consider it highly addictive. But misuse can lead to addiction. Ketamine was originally developed as an anesthetic in ...

A woman known as the "Ketamine Queen" pleaded guilty to illegally selling the drug that led to actor Matthew Perry's death. Jasveen Sangha, the final defendant in the case, faces up to 65 years in ...