21 dead in cold-related cases across US, arctic blast abates

An arctic blast eased its grip on much of the US on Wednesday, with winds calming and the weather warming slightly a day after temperature records - some more than a century-old - shattered up and down the Eastern Seaboard.

The cold turned deadly for some: Authorities reported at least 21 cold-related deaths across the country since Sunday, including seven in Illinois and six in Indiana. At least five people died after collapsing while shoveling snow, while several victims were identified as homeless people who either refused shelter or didn't make it to a warm haven soon enough.

In Missouri, a 1-year-old boy was killed when the car he was riding in struck a snow plow, and a 20-year-old woman was killed in a separate crash after her car slid into the path of a tractor-trailer.

In the Midwest and East, temperatures climbed but were still expected to be below freezing.

Yawn causes China man's lung to collapse, say doctors

BEIJING: A 26-year-old man in China suffered an unusual injury - he yawned so hard that his lung collapsed.

Ou, from Wuhan in China's Hubei Province, likely ripped a hole in his lung when he stretched and yawned in the morning, doctors said.

Ou felt a sudden pain in his chest but ignored it. However, he had to go to the Central Hospital of Wuhan when the pain intensified and he couldn't breathe, 'Global Times' reported.

Doctors discovered Ou had suffered from spontaneous pneumothorax, or when a small air pocket in the lung breaks and leaks air into the cavity surrounding the lung.

Chen Baojun, director of cardiothoracic surgery at the hospital, said that while there are many causes for neumothorax, tall and thin men between 18 and 30 years of age are known to be susceptible. Ou is 1.8 meters tall and weighs 60 kilograms, doctors said.

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