Now, the question is, how does the linden method work? Charles Linden for example had all four of them. There lies the problem. These ailments are interrelated and if you have one, you may grow another. Look for PureCalm reviews instead to know more about the properties of this wonderful herbal medicine that acts quickly and efficiently without producing any side effect. However, such practices should not be encouraged because these medicines are habit forming and open to abuse. Both of them are pioneer in the American School of Behaviorism. The Linden Method works by trying to convince you that you are not ill, either physically or mentally.