may 14, 1930 - HAY DIET One of the early diets based on the pH of foods, which did not allow carbohydrates and proteins to be eaten at the same meal. This "Food Combining Diet" was developed by Dr. William Howard Hay and became so popular that some restaurants served meals based on this system of eating.
Added to timeline:
Date:
may 14, 1930
Now
~ 95 years ago