Another amusing “primal” tidbit, everyone: early humans chewed gum. Archaeologists have found a 5,000-year-old piece of preserved tree gum with clearly imprinted neolithic teeth marks. The gum is birch bark tar, which exerts an antiseptic effect on tissues. It’s likely that early humans chewed the phenolic tar to stave off gum infections. Move over, Trident.
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Mark Sisson is the founder of Mark’s Daily Apple, godfather to the Primal food and lifestyle movement, and the New York Times bestselling author of The Keto Reset Diet. His latest book is Keto for Life, where he discusses how he combines the keto diet with a Primal lifestyle for optimal health and longevity. Mark is the author of numerous other books as well, including The Primal Blueprint, which was credited with turbocharging the growth of the primal/paleo movement back in 2009. After spending three decades researching and educating folks on why food is the key component to achieving and maintaining optimal wellness, Mark launched Primal Kitchen, a real-food company that creates Primal/paleo, keto, and Whole30-friendly kitchen staples.