Scientists have discovered a previously unrecognized way that human airways protect lungs from infection—through the action of cilia, tiny hair-like structures lining the respiratory tract.

A mum thought she was going to lose her daughter after a common flu turned into three weeks in intensive care with a collapsed lung.

Emily and Tyler Carlin were on a vacation weekend four hours from their home in Chesapeake when their 2-year-old, Holden, nearly drowned in a backyard pool. Emily, 31, posted the details of the ...