Why what you do in the days after a ketamine infusion may matter as much as the infusion itself. There's a moment, sometime in the hours after a ketamine infusion, when the clinical language falls away and a simpler truth settles in: something has shifted. Patients describe it differently — a loosening, an opening, a sense that the mental grooves they've been stuck in aren't quite as deep as they were yesterday. That feeling isn't just subjective. It reflects something measur