In the 1930s, nutritionist Dr. Weston Price carried out extensive research and found that dental health had a strong correlation to physical health. A mouth full of diseases was linked to chronic and degenerative diseases in the body.
In his global studies of people in remote locations and native communities, Dr. Price discovered that these people had less than 1 percent prevalence of tooth decay. Other findings besides the examination of the oral cavity were the distinctive nutritional habits and culture.
The native communities consumed high amounts of animal products such dairy, fish and meats, high amounts of fermented foods, and a variety of grains, legumes, tubers, vegetables, and fruits when available – and absolutely no processed food. It’s only in recent decades that sugar-laden processed foods have come into the food supply, to the detriment of the nation’s teeth.
Read the full story here
http://articles.mercola.com/sites/articles/archive/2001/01/21/weston-price.aspx