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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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COLD-Induced Injury - Frostbite

Overview, Causes, & Risk Factors

Frostbite occurs when exposure to cold temperatures damages the skin or other tissues.

What are the causes and risks of the injury?

Anyone who is exposed to extreme cold for a significant length of time has a risk of developing frostbite. Windy weather may contribute to frostbite, too, by blowing body heat away from the body.

Frostbite occurs more often among:

those who work outside in extremely cold areas

mountain climbers

people who are caught in the elements without proper clothing

people taking certain medications, such as beta-blockers, that decrease the blood flow to the skin

smokers

people who have blocked arteries, atherosclerosis or other problems that affect blood circulation

people with diabetes

people with nerve problems that decrease their ability to feel injuries in certain parts of the body, a condition called neuropathy

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