Thirty-two-year-old Cheryl is tired of being overweight, and she's finally gathered the courage to do something about it. But she worries about sacrificing her favorite foods or committing to the latest fad diet only to fail miserably.

Sound familiar? Cheryl represents anyone who has struggled to maintain health and sanity while losing weight and offers a voice to everyone engaged in the ongoing battle to take off-and keep off-unwanted pounds.

Award-winning physician Nikki Lang, M.D., uses the character of Cheryl to deliver sound and sensible principles, tips, and advice on losing...