## Scientists have discovered a unique blood signature in centenarians that could unlock new ways to help people age healthier and live longer. A new study found that centenarians have a unique chemical "fingerprint" in their blood that sets them apart from normal aging, includin

# Ben-Gurion University study finds step speed may predict longevity in older adults -study. ## While medical care usually measures life expectancy through chronological age or the number of chronic illnesses, physical indicators like walking speed seem to be strong indicators of