Why soap and friction matter

We all have our cooking rituals, but are some of them unsafe? Dr. Sanjay Gupta gets to the bottom of handwashing hygiene, especially when handling raw meat. Plus, how to best store those hot and cold leftovers this holiday season.

Producers: Sofia Sanchez, Leying Tang, Jesse Remedios

Medical writer: Andrea Kane

Showrunner: Amanda Sealy

Senior producer: Dan Bloom

Technical Director: Dan Dzula

Executive Producer: Steve Lickteig

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