Want a diet plan? All this start-up needs is your money, blood and DNA

See the original posting on LA Times Technology

When Liesl Bettencourt of Pleasanton, Calif., turned 50 recently, she decided it was time to get into shape. She signed up with Habit, an Oakland start-up that offers personalized nutrition recommendations, coaching and meals. And as soon as Habit sent her an initiation kit, she got nervous.

The…