When most people think about anti-aging, they picture creams, supplements, or the latest medical breakthroughs. But one of the most powerful tools for staying young is something you’re born with - your muscles.

Everyone knows muscles are key for strength and appearance, but research shows they do far more than that. Muscles act like living medicine inside your body. Every time they contract, they send out chemical signals that influence your brain, heart, bones, and immune system.

In fact, researchers now recognize that maintaining muscle may be one of the most effective ways to protect your health, preserve independence, and extend your life.

So - what exactly makes building muscle such a potent anti-aging secret? Here are six important ways your muscles act like medicine.

1. Muscles

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