TL;DR: Your body fat isn’t just padding—it’s a full-blown organ that regulates hormones, talks to your brain, immune system, and metabolism, and plays a huge role in keeping you healthy.
But when you carry too much of it, fat can spark inflammation, throw your hormonal balance out of whack, ramp up the risk of nearly every major disease, and even shorten your lifespan. This Kurzgesagt video (sponsored by Brilliant) unpacks what fat really is, when it turns dangerous, and whether the damage from excess fat can be reversed.
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