Learn the key differences between Major Depressive Disorder (MDD) and Persistent Depressive Disorder (PDD), including symptoms, duration, and treatment options.
Understand what brain fog means, its top causes, and how the gut–brain axis influences clarity. Get practical, evidence-based steps to reduce mental fog and know when to seek care.
Dr. JeanAnne Johnson, PsyD, PhD, APRN-BC, FNP, PMHNP, PMHS
