You know your Social Security number, your ATM pin code, your mom’s phone number, but do you know your HbA1c ? Five numerical biomarkers can reveal how well you’re aging and warn of trouble long before symptoms of disease appear, according to Dr. Florence Comite , founder of the  Comite Center for Precision Medicine & Healthy Longevity . Comite — who wrote “ Invincible: Defy Your Genetic Destiny to Live Better, Longer,” out April 28 — recommends starting to monitor these biomarkers between the