Scientists have firmly established that the rate of aging is malleable and now a well-founded quest for drugs that brake aging is rapidly unfolding. While this drugs won't confer immortality they do promise to usher in a new era of preventive medicine, one in which novel medicines arrive that can delay or avert just about everything that goes wrong with us as we age: dementia, cancer, osteoporosis, and, yes, jowls too, in the same way that medicines that lower blood pressure and cholesterol fend off heart disease today. Stipp explores the advances of science.