Support WBURMedical Effects Of Extreme Cold: Why It Hurts And How To Stay SafePlay03:10Download AudioPatti NeighmondJanuary 30, 2019 ShareFrank Lettiere's eyebrows and eyelashes froze after his walk along Lake Michigan's Chicago shoreline Wednesday. Frostbite warnings were issued for parts of the U.S. Midwest as temperatures plunged. (AFP/Getty Images)
