The authors advocate eating less than you need, with diets that are very low in carbohydrates and fat, high in vegetables and low in dairy products. Daily aerobic exercise is part of the formula. The authors are also big believers in the health value of antioxidants, like vitamins A, C and E.The book's subtitle refers to Kurzweil's belief that
In 15 to 20 years … advances in the understanding of gene processes will make it possible for biotechnology therapies to turn off and reverse disease and aging. But only "a small minority of older boomers will make it past this impending critical threshold."