At the Mobile Health 2011: What Really Works? event at Stanford University last week, Rajiv Mehta's new startup, Tonic, won the Stanford Health Behavior Aware for Best Mobile Health Solution for Behavior Change in the "Already in Market" category. MobiHealthNews caught up with Tonic founder Rajiv Mehta before the event to discuss the launch of his new app. Previously Mehta founded Zume Life, a...