 What's happened, Chris, is that in the last 50 years, the American diet has greatly changed, and the nutrition has greatly changed. And add to that the medications. Many people are on blood pressure medications or anti-anxiety drugs or heart medications, and many of these things also block the absorption of calcium magnesium in the system. Wow. So the very drugs that are treating the conditions that your body is experiencing, because it's deficient in calcium magnesium, it's also blocking further absorption.