The Cheapest Longevity Test in Medicine Takes 11 Seconds. We Can Now Measure It Every Day.
A new study in JAMA Network Open followed 5,472 women aged 63 to 99 for an average of 8.4 years. The researchers were not looking at expensive biomarkers, MRI scans, or genetic panels. They timed how long it took each woman to stand up from a chair five times in a row, without using her […]