The Fat Problem

Kurzgesagt teams up with Brilliant to dive into why fat isn’t just lazy storage—it’s a full-blown organ that juggles hormones, chats with your brain, immune system, and metabolism, and plays a starring role in keeping you alive (or not).

When fat goes haywire, it sparks inflammation, throws your hormones out of whack, raises your risk for pretty much every big disease, and even shaving years off your life. The video digs into what fat really is, how it works, when it turns dangerous, and whether you can undo the damage of carrying too much.

Watch on YouTube