By Dr. Sanchari Sinha Dutta, Ph.D. Reviewed by Lauren Hardaker Sep 4 2025 Once a universal midlife slump, unhappiness now peaks in the youngest generations, raising urgent questions about how social, economic, and digital forces are reshaping mental health worldwide. Study: The declining mental health of the young and the global disappearance of the unhappiness hump shape in age . Image credit: UlrikaArt/Shutterstock.com The “unhappiness hump” is a well-documented global trend of increasing