Hall The eternal quest for youth has been the paradox of humanity since time began.
Mortals go through life begging the unanswerable questions of death and what lies beyond the grave.
There are two versions. Visitors need to log in to get started, but all that is required is a password and e-mail address. According to the site, the scientific data used to develop the equation that calculates RealAge are drawn from more than 800 clinical studies that have determined the risk of death for a variety of factors. The people who put the site together drew on data from clinical studies, statistical information from the U.S. Census Bureau and National Center for Health Statistics . Once you've taken the drink from Ponce DeLeon's fountain and found out your true age, the site can recommend plans for diet, exercise and the like to help improve your score.