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PubMed1997

Cold weather injuries among U.S. soldiers in Alaska: a five-year review.

Cold weather injury (CWI) reports covering 272 U.S. Army soldiers from September 1990 to May 1995 were reviewed. First- and second-degree frostbite accounted for 99.3% of all injuries. Although some soldiers had extensive lost duty time from their injuries, no one suffered tissue loss during the 5-year period. Fifty-one percent of injuries occurred during field training. Thirty-six percent occurred while engaging in garrison activities, including physical training, which accounted for 15% of all CWIs. Twelve percent of all injuries occurred during off-duty time. Seventy-one percent of CWIs occurred when the wind-chill factor was at or below -20 degrees F (-29 degrees C). Male African-American soldiers appear to be significantly more susceptible to frostbite than male Caucasian soldiers, especially with regard to frostbite of the distal extremities (relative risk = 3.94; 95% confidence interval = 2.77-5.59). Other identified risk factors include inadequate clothing, wet clothing, dehydration, inactivity, fatigue, and previous CWIs.

Adult↗
PubMedDate not supplied

Smile Alaska style.

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Alaska↗
PubMed1998

Dietary intakes among Siberian Yupiks of Alaska and implications for cardiovascular disease.

We describe dietary intake for 65 Siberian Yupik residents of Gambell, AK using 24-h recalls and annual food frequencies collected in October 1992. The objectives were to describe dietary characteristics important in risk of cardiovascular disease, determine the extent that their diet differs from the diet of general US and northern populations, assess how the diet met national guidelines for the prevention of cardiovascular disease, and propose dietary recommendations. Compared to US intakes in general (NHANES III), intakes of Siberian Yupiks expressed as percent of energy were: 8-10% higher in fat, 6% higher in protein, 5-7% higher in monounsaturated fats and 12-15% lower in carbohydrate. Energy from saturated and polyunsaturated fats was similar (11% and 8% respectively). Cholesterol intakes were not significantly different. Mean intakes of selenium, a-topocopherol, folacin (men), and vitamin C (men) met Recommended Dietary Allowances, which may contribute to cardiovascular health. Mean intake of n-3 fatty acids (7.0 g/d), twice the 3 g/d associated with favorable effects, was comparable with intake of Greenlandic Eskimos. Dietary risk factors included high intakes of % energy from fat and saturated fat, and low intakes of fiber. Native foods were important sources of monounsaturated fats, n-3 fatty acids and selenium.

Adult↗