Throughout the years, Rusted Root toured with various iterations of the Grateful Dead band.

I'll never forget the sight of thousands of "Deadheads" bouncing in unison to the beat of my drums.

No matter where we were, all the fans seemed to connect with each other in a very deep way.

As it turns out, there's a scientific explanation for this crowd bonding phenomenon. In fact, it involves some very powerful processes in the body…

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