Animal foods provide predominantly acid precursors.
Acidosis stimulates osteoclastic activity and inhibits osteoblast activity. These women had a significantly increased rate of bone loss than those who ate just vegetable protein. Women consuming higher rates of animal protein had higher rates of bone loss and hip fracture by a factor of four times. The average American eats five ounces of animal protein each day in the form of red meat and chicken. How ironic it is that the dairy industry continues to promote the cause of bone disease as the cure.