TL;DR

In “The Fat Problem,” Kurzgesagt reveals that fat isn’t just inert energy storage—it’s a complex, hormone-secreting organ that speaks to your brain, immune system and metabolism. While it’s vital for survival, too much fat fuels chronic inflammation, throws off your hormonal balance, drives up disease risk and can seriously shorten your lifespan. The video digs into what fat actually does, why it goes rogue when there’s excess, and whether we can undo the damage once we’ve piled it on.

This episode is proudly sponsored by Brilliant—head to brilliant.org/nutshell for a free learning hub plus 20% off premium—and Kurzgesagt’s new Health Journal offers a science-backed, no-guilt guide to building real, lasting wellness routines. Sources and deeper reading are available on the video’s Google Sites page.

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