Deep Freeze Creates Unusual Advice for Better Breathing

A polar vortex has descended upon the Midwest U.S., and this time it’s a doozy. Roughly 85 percent of the people living in the lower 48 states will experience freezing temperatures with roughly 75 million people experiencing temperatures below zero. The worst of it will be in a region of the Upper Midwest from Chicago through Minneapolis. This region will … Continue reading Deep Freeze Creates Unusual Advice for Better Breathing