The Fat Problem

Kurzgesagt’s latest dives into why fat is more than just an energy stash—it’s a full-blown organ that juggles crucial hormones and keeps your brain, immune system, and metabolism in sync.

But too much of this powerhouse can backfire: excess fat sparks inflammation, throws your hormones out of whack, boosts your risk for almost every major disease, and even cuts your lifespan. The video breaks down exactly when fat goes from helpful to harmful—and whether you can reverse the damage.

Watch on YouTube