DNA testing

A lot has been written about the strengths and weaknesses of using DNA testing to customize individual diets. It's a promising idea, but our knowledge of genetics isn't yet good enough to pinpoint what each of us should eat.
Food fraud is outrageously common. In the UK, horse meat was sold as beef, and in China, rat meat was sold as lamb. Now, Malaysian researchers have detected buffalo meat in "beef" frankfurters.
In today s New York Times, 28-year old graduate student Kira Peikoff describes her attempt to determine her risk of several diseases by having her genome analyzed by different companies.