Stop saying "If only . . ." and get yourself on track to health, happiness, and that youthful glow you thought you lost forever. Jackie Warner—New York Times bestselling author and personal trainer to the stars—has the answer to the energy crisis in your life, and it's not in the next cup of coffee you're reaching for. It's getting rid of your energy-sapping lifestyle.

This Is Why You're Sick and Tired goes to the root of your energy problem to give you the tools you need to rehabilitate your body on the cellular level to target the cells and hormones critical to energy, vitality, and weight loss.

Each week of this three-phase plan will offer a new diet and exercise program that alters chemistry in stages, working with your brain and body to balance and release a new set of chemicals and patterns. The diet is coupled with a progressive style of training that adapts with your foods and your body chemistry. Once you have completed the reset, you will be fully prepared to live a whole new lifestyle—one that is energetic and positive!