Science has identified 7 key signs that can help predict your lifespan after age 70 — from grip strength to walking speed and memory sharpness. This video breaks down each sign with simple explanations and real-life examples. If you're over 65 or care about healthy aging, these insights could change the way you live today. Learn what your body might already be telling you about your future. #adviceforelderly #healthyaging #wisdom #wiseelders #seniorhealth #elderlywisdom