The Fat Problem

Kurzgesagt dives into why fat is so much more than just stored calories—it’s a full-blown organ pumping out hormones and chatting with your brain, immune system, and metabolism. In small doses it’s vital, but when you pack on too much, fat can spark chronic inflammation, throw your hormones out of whack, hike your risk for countless diseases, and even shave years off your life.

The video breaks down what fat actually does, when it stops being helpful and starts hurting, and whether we can undo the wreckage of having excess fat. Along the way, you’ll find links to dig deeper (plus a sweet 20% Brilliant discount) and tons of resources to get the real science without the guilt.

Watch on YouTube