## 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
* Liver cancer doesn't always announce itself: The early symptoms many people miss. The liver is one of the hardest-working organs in the human body. The worrying part is that many people do not know they have it until the disease has reached an advanced stage. According to the l
* #### The '1776 Diet': What Americans really ate during the nation's founding. * #### 5 of America's greatest medical breakthroughs revealed as the nation marks 250 years. * #### America's national parks could add years to your life — here's how they boost health. Fox News Digit