Our cells produce more acid than alkaline buffer. It is partly because of what we eat, but it is inherent in our metabolism. The body is acidic by nature and alkaline by design. Our mineral reserves are deep, but over years we become depleted and suffer from many diseases. Only one brand of pH paper that is reliable. The first morning urine or after 6 hours of rest is the only specimen that works. Saliva is not reliable. For every year of poor diet it takes one month to repair with a good diet and proper supplementation. Whole foods, not food products, are far less expensive and more healthy.