Social Isolation

The Loneliness Epidemic: What Neuroscience Reveals About Why We Can’t Connect The loneliness epidemic is the population-scale rise in chronic social disconnection — and it is rewiring brains. Sustained isolation elevates glucocorticoids that suppress oligodendrocytes, the cells that wrap nerve fibers in myelin. The result is measurable thinning of prefrontal white matter, sometimes within eight weeks. ...

Why Do I Push People Away? The Neuroscience of Withdrawal You push people away because the oxytocin and dopamine circuits that pull humans toward connection have been blunted, not because something is wrong with how you feel. Chronic loneliness rewires the trust circuits in the insula, downregulates oxytocin signaling, and dampens the VTA’s social-craving response. ...