You have two ages, chronological and biological. Here's why it matters

Reminiscent of a scene from "The Social Network," the whiteboard in researcher and professor Morgan Levine's Yale Medical School office is covered in a series of letters and numbers. She clicks the red cap back onto the dry erase marker and steps back to admire her work.

Source: CNN.com - Health - November 30, 2018 Category: Consumer Health News Source Type: news