"Inside of you, there is a spark--it's what animates you, and without it, you could not live. This energy creation isn't mystical, nor is it spiritual; it is science. We know from research that our cellular machinery transforms the food we eat and the air we breathe into the electricity that fuels us. With the right lifestyle inputs, we glow with energy; but when the demands on our bodies exceed our capacity--as is true for so many of us--we become...