The Flu and You

Why We Catch Colds During Flights March 20 2016

Get a cold nearly every time you fly? Well, it's not because of the type of air on board. Whether your plane circulates fresh air -- or recirculates cabin air -- doesn't seem to make a difference, studies show. In recent years, new commercial aircraft have been designed to recirculate approximately 50% of the cabin air to increase fuel efficiency. But it's not been known whether air recirculation increases the...
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