Tens of thousands of Lebanese are returning to the country's south, where they're discovering homes destroyed by the fighting with Israel. This Thanksgiving is set to be the busiest ever for air travel and there are new rules aimed at protecting customers. And, the science behind why taking a walk after a big meal is good for your health.

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Today's episode of Up First was edited by Didrik Schanche, Russell Lewis, Jane Greenhalgh, Lisa Thomson and Mohamad ElBardicy. It was produced by Adam Bearne, Ziad Buchh, Nia Dumas and Lilly Quiroz. We get engineering support from Ted Mebane. And our technical director is Carleigh Strange.

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