Exposure To Cold Is More Deadly Than Exposure to Heat  

Ratio Deaths from Cold vs. Deaths from Heat = 18:1 

Ratio of deaths associated with low temperatures compared to high temperatures.

An analysis by the Centers for Disease Control and Prevention (CDC) of U.S. temperature-related deaths between 2006 and 2010 showed that 63% were attributable to cold exposure, while only 31% were attributable to heat exposure. In Australia and the United Kingdom, cold-related mortality between 1993 and 2006 exceeded heat-related mortality by an even greater margin—and is likely to do so through at least the end of the century. Researchers who evaluated 74 million U.K. and U.S. deaths reported in May 2015 that low temperatures are associated with 7.3% of all deaths versus just 0.4% for high temperatures, a ratio of more than 18 to 1.

“You try to focus on the high-exposure situations, and sometimes you don’t realize that the important impact can be much higher for mild exposures”

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Frostbite 

Heart 

Cold Weather and Health- How do cold temperatures affect health and well being? - The dangers of cold

Global Association of Cold Spells and Adverse Health Effects: A Systematic Review and Meta-Analysis People with cardiovascular disease and elderly adults may be more susceptible to the impact of cold spells on mortality.

How does cold weather affect your health? Harvard Health Letter

How Climate Change Could Already Be Affecting Your Health  

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Seasonal Affective Disorder (NIMH)   

Weather and Behavior