If you looked at the teeth of people who lived more than ten thousand years before the invention of the toothbrush, you’d notice they had almost no cavities.9 They never flossed a day in their lives, yet no cavities. That’s because candy bars hadn’t been invented yet. The reason people get cavities now is that the pleasure they derive from sugary treats may outweigh the cost and discomfort of the dentist’s chair. I certainly enjoy the occasional indulgence—I’ve got a good dental plan! But what if instead of the dental plaque on our teeth, we’re talking about the atherosclerotic plaque building
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