WCAU NBC 10 News At 4pm February 19, 2015
After walking for a period of time in temperatures below 20 degrees. Its more difficult for them to breathe walking in a direction where the wind is blowing at you. If you can go with the wind at your back it makes it easier and safer for you that way. Experts say if youre traditionally a mouth breather you might want to convert. If you breathe through your nose physiologically we tend to heat up the air through our nose and provide more moisture to it so the air is not as dry. The doctor says this may be the time to use that ugly scarf. Keeping yourself covered, keeping something over your fa...