Is aging inevitable? Some say we have answers to slow down or even stop the process. In David Sinclair's book "Why We Age and Why We Don't Have To," he discusses research which indicates that the same processes which contribute to chronic disease also contribute to aging. Therefore, as we discover how to reverse chronic disease, we can also age slower. And vice versa--if we slow aging we also inhibit chronic disease development. Double bonus! So where does aging come from--li