Forget 'biological age' tests — longevity experts are using an $800 under-the-radar blood test to measure aging in real-time

Forget 'biological age' tests — longevity experts are using an $800 under-the-radar blood test to measure aging in real-time

The proteins in your blood plasma can reveal hidden secrets about your organ health.iStockDoctors and scientists are using a blood plasma test to study longevity.The test measures proteins and can tell you about your organ health.This field of proteomics could one day help detect diseases like cancer before they start.Should you have that second cup of coffee? How about a little wine with dinner? And, is yogurt really your superfood?Scientists a…