Good friends are good for your health. — Irwin Sarason

Good friends are good for your health.

Author: Irwin Sarason

Insight: There's something almost too simple about this claim until you really sit with it. We know loneliness can tank your immune system, spike your blood pressure, and make you more prone to depression. But "good friends are good for your health" points to something stranger and more specific: it's not just about having people around. Bad friendships—ones built on obligation, resentment, or constant drama—can actually stress your body in measurable ways. Good friends do the opposite. They make you feel seen without judgment, which literally lowers your cortisol levels. The trick is recognizing what makes a friendship "good" in this sense. It's rarely the friendships that look most impressive on the surface. Those high-maintenance relationships where you're always performing or managing someone else's emotions? They're more like a chronic low-grade fever. Real health gains come from friendships where you can be genuinely yourself—where you can admit what you don't know, say no without guilt, and share both the mundane and the messy. These relationships aren't adding stress; they're absorbing it. Most of us treat friendship as a nice-to-have, something to squeeze in after work and obligations. But if we reframe it as actual preventative medicine, the way we'd treat sleep or exercise, suddenly those coffee dates and late-night conversations look less like luxuries and more like non-negotiable maintenance.