Cavemen probably had better teeth than you do, scientists say

A dentist would probably be impressed with a caveman's teeth: New research indicates prehistoric humans had almost no cavities or gum disease. An international team examined DNA extracted from the dental plaque of prehistoric northern European human skeletons, and traced how oral bacteria changed from hunter-gatherers to medieval farmers to modern farmers. They concluded that the hunter-gatherers had much healthier mouths than we do. Our diets are to blame for the difference: All those refined carbohydrates and sugars we shovel into our mouths leave them full of cavity-causing bacteria, whereas hunter-gatherers had a meat-heavy, grain-free diet. [Source]

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