"The data is only as good as the interpretation," says Joel Dudley, a professor at Mount Sinai School of Medicine. Most companies use similar technology to identify genetic variations. How a company translates these to tell you something meaningful about your health is the measure of its worth. A quality outfit has a staff of scientists and analysts to do just that, says University of Toronto genetics professor Ahmed El-Sohemy: "Avoid some business guy with a bachelor's degree in genetics."
Credit: John Coletti / Getty Images
Powered By ZergNet
The Best Tools, Tech & Toys for 2015
Plus: The World's Most Efficient Workout
ON NEWSSTANDS NOW
Martin Short's Life Advice
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.