Treatment resistant depression is exactly what it sounds like: major depressive disorder (MDD) that, despite standard intervention, fails to respond to treatment. Experts have not settled on a single definition of the condition but failing to respond to two...
Ketamine first received approval from the U.S. Food and Drug Administration (FDA) in 1970 for use as a surgical anesthetic. Due to its short duration of action and reduced behavioral toxicity, it gained favor over other common anesthetics, and continues to be widely...
