FROM THE SUBARCTIC TO THE TROPICS: EFFECTS OF 4-MONTH DEPLOYMENT ON SOLDIERS' HEAT STRESS, HEAT STRAIN, AND PHYSICAL PERFORMANCE.

The article reports on research which was conducted to investigate the impact that heat stress had on the physical performance and body composition of Finnish male soldiers during a four month deployment to a hot environment in Chad. Researchers evaluated 20 soldiers. They found that heat stress led to a decrease in body mass but found that the soldiers were able to maintain or improve their physical performance during the deployment despite the heat stress.