The supermarket is ground zero for making unhealthy food choices. And while supermarkets don’t particularly care what you buy as long as you buy lots of it, healthier foods tend to be higher-priced. It’s no surprise, then, that supermarket chains have welcomed the recent trend of store-based dietitians. This year’s winner of the annual $100,000 Data Design Diabetes challenge, a competition put on by drugmaker Sanofi US, has created a tool for dietitians in grocery stores and pharmacies that makes it easy to deliver nutrition and diabetes counseling.

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