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Kurzgesagt - In a Nutshell: Let's Talk About Fat

Fat isn’t just a blob of stored energy—it’s a full-blown organ that secretes hormones and continually “texts” your brain, immune system, and metabolism to keep everything in sync. In the right amount, it’s absolutely essential for survival and health.

But too much fat flips the script: it sparks chronic inflammation, throws hormonal balance out of whack, hikes up the risk of nearly every major disease, and can even shave years off your life. The big questions? How exactly does fat work under the hood, when does it become a health hazard, and can you undo the damage once it’s done?

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