Bipolar depression remains one of the hardest problems in psychiatry—not because we lack treatments, but because symptom control is often mistaken for recovery. Dan Iosifescu, MD, PhD, explains why many patients with bipolar depression—and especially those with mixed episodes—continue to struggle even when mood symptoms appear improved. Drawing on clinical experience and ongoing research, Dr. Iosifescu discusses: • Why symptom suppression does not necessarily lead to functional recovery • How sedation can reduce acute risk while preserving long-term disability • Why bipolar mixed episodes are uniquely dangerous and often misrecognized • The importance of distinguishing short-term response from durable treatment • How clinicians can think differently about non-response and treatment resistance The conversation also explores emerging, biologically grounded approaches to personalization, including combination strategies involving ketamine and established mood stabilizers, metabol...