Did your chef wash their hands? Handwashing ‘lie detectors’ could find out
By Parija Kavilanz, CNN New York (CNN) — Americans love to eat out. But each time they dine in a restaurant or wait in line during a lunchtime run to the nearest sandwich shop, fast-food or salad chain, they’re literally placing their wellbeing in the hands of people hired to prepare their meals. Why? Because
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