rationalskepticism.org

There is archaeological evidence that health status diminished in early farming communities compared to contemporary hunter-gatherers. It is also interesting to note that both wheat intolerance and milk intolerance are widespread in human populations, and both forms of food were absent in hunter-gatherer diets, but mainstays of the early farming diet. Personally, I'd be less quick in dismissing the potential health benefits of a diet rich in organic low-fat meat, fish, eggs, roots, herbs, nuts & fruit.