Well done and kudos Perhaps more information could be added in the appropriate section copied directly from another article Biochemist T Colin Campbell suggested in The China Study 2005 that osteoporosis is linked to the consumption of animal protein because unlike plant protein animal protein increases the acidity of blood and tissues which is then neutralized by calcium pulled from the bones Campbell wrote that his China Cornell Oxford study of nutrition in the 1970s and 1980s found that in rural China where the animal to plant ratio for protein was about 10 percent the fracture rate is only one fifth that of the U S Campbell T Colin The China Study Benbella Books 2006 pp 205 208