Did your chef wash their hands? Handwashing ‘lie detectors’ could find out | CNN Business

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 poor personal hygiene, especially inadequate handwashing, is a big problem in the food services industry.

Food workers wash their hands as they should only one in three times, according to the Centers for Disease Control and Prevention. The consequence: Germs spread from food

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