How long will you live after 70? Science has uncovered 7 key signs that predict longevity in seniors. From your walking speed to your social life, these surprising factors reveal more about your lifespan than you might think. Watch now to learn which habits add years to your life—and which ones could be silently aging you faster. #Longevity #AgingWell #HealthyAging #SeniorHealth #LiveLonger #LifeAfter70 #HealthTips #ScienceOfAging #AntiAging #Wellness