At mile 18 of a marathon, some of the fittest people on earth are reaching into their running vests for a fistful of Nerds Gummy Clusters. Plenty of elite runners swear by it, and their rationale is that past ninety minutes, you burn through carbohydrates faster than last night’s pasta can cover, and candy delivers a gel’s worth of fast carbs for less money, less weight, and better taste.
I’m not going to debate that point, at least, not in this newsletter. Whether candy beats a gel isn’t my department. But teeth and the oral microbiome are.
The moment you start breathing through your mo...
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