There is a lack of comprehensive statistics about the epidemiology of<unk> . In the United States,<unk>  is more common in northern states. In Finland, annual incidence was 2.5 per 100,000 among civilians, compared with 3.2 per 100,000 in Montreal. Research suggests that men aged 30–49 are at highest risk, possibly due to occupational or recreational exposures to cold.
Frostbite
Chilblains
Crossbite
Trench foot
Overbite
Snakebite
Abrasion 
Nasal fracture