The quest for the Fountain of Youth is getting a boost from an international team of researchers who may have stumbled upon a compound that appears to make cells act younger than they are—at least in mice. In a paper published in Cell Metabolism, researchers led by the Washington University School of Medicine reported that they found an agent that can balance out what happens in aging cells to essentially make them behave as they would in a younger mouse. That substance, as it turns out, is also found in a number of natural foods, including broccoli, cucumbers, cabbage and edamame.