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Body

What Is Collagen

It is the most abundant protein within the body. It’s present in bones, skin, muscles, blood vessels, the intestinal lining, and tendons.

The Hunger Hormone – Ghrelin

Often referred to as the “hunger hormone,” ghrelin performs numerous functions beyond signaling hunger to the brain.

Heart Rate Zones

Want to burn more calories or reach the limits of the body? Check out what those heart rate numbers mean on our wrist buddy!