Preface by<br >Sheldon S. Hendler， Ph.D.<br > "Energy is the only life and is from the<br > Body . . .<br > Energy is Eternal Delight."<br > --William Blake，<br > The Marriage of Heaven and Hell<br > Energy plays the major role in our lives. Political<br > power struggles are directly related to who controls<br > the energy sources of the world， whether it be oil to<br > fuel our cars and heat our homes， or sugar and<br > wheat to fuel our bodies. On a more personal level，<br > we talk about our state of well-being in terms of how<br > much energy we have available. When we are de-<br > pressed we feel we have no energy and it is hard to<br > do anything. We feel old and lifeless. When we are<br > happy we have enough energy to move mountains. In<br > the last several years there has been an exciting de-<br > velopment of interest in ways to help us feel more en-<br > ergetic and to live life to the fullest. Notable among<br > these ways are the bioenergetics movement， Yoga，<br > transcendental meditation， exercise， massage， the<br > Alexander technique， group therapy， and nutrition. It<br > is to this last way--nutrition--that the present book<br > is devoted.<br > I first met Dr. Benjamin Frank in the early<br > 1960s. at which time I was pursuing my doctorate in<br >