Trending Now  Five Unexpected Ways Cold May Threaten Your Health
By Rachelle Gaynor, Staff Writer January 4, 2014; 2:34 AM ET
Winter brings lower temperatures, snow and many health risks
that people may not be aware of.  Knowing some of the unexpected
concerns of winter can help you take the necessary steps to
avoid them.  1. Raynaud's Disease/Raynaud's Phenomenon
Raynaud's is a disorder marked by a vasospasm, or a narrowing of
the blood vessels, in response to cold air that approximately
five percent of the U.S. population suffers from, according to
the National Heart, Lung, and Blood Institute (NHLBI).  A
vasospasm causes blood flow to reduce to the fingers and toes,
and occasionally to areas like the nose, ears and lips. During
an attack, little or no blood flows to affected body parts
according to the NHLBI.  "When I'm having an attack, my fingers,
and sometimes toes, will start to feel numb and lose color,"
Esme Artz, Raynaud's sufferer, said. "They'll turn white and/or
gray and either feel tingly or