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'The Embrace' sculpture celebrates MLK's legacy in Boston

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UN, EU ask Greece to stop prosecuting migrant rescue groups

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'Myth America' examines misinformation in U.S. history

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PBS News Hour

The connection between cold weather and catching a cold

New research suggests that cold weather may actually affect the human body's immune response, making us more susceptible to colds, flus and other upper respiratory infections. Dr. Benjamin Bleier, a sinus specialist at Mass Eye and Ear and a senior author of the study, joins John Yang to discuss its findings.
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