Our Search for the Fountain of Youth Continues

Today, people in the developed world are living longer, healthier lives than ever before. This is mostly because we've dramatically reduced infant mortality, infectious diseases, and the symptoms associated with maladies like diabetes, heart disease, and cancer that are related to age and lifestyle. But despite the fact that the number of centenarians is growing exponentially, the number of people living past 120 is still virtually zero. That's not surprising when we realize that it's only in the past 20 years that we've even begun to understand aging and how it might .....