# Epigenetic clocks & biological-age diagnostics

Laboratory & analytical instruments — Reading DNA methylation patterns across hundreds of thousands of CpG sites to calculate a person's biological age and rate of ageing instead of birth-certificate chronological age, turning a $229-799 saliva or blood test into the longevity industry's core diagnostic tool.

Source: https://en.bioecon.ru/market/lab-analytical/epigenetic-clocks-biological-age-diagnostics/

