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HPRC's human performance optimization (HPO) website is for U.S. Warfighters, their families, and those in the field of HPO who support them. The goal is Total Force Fitness: Warfighters optimized to carry out their mission as safely and effectively as possible.

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Journal Entry Troff documentBug off: Insect repellent and sweat
Performing in the heat is hard enough, but disease-transmitting insects such as ticks, mosquitoes, and fleas can be an added threat to an already challenging environment. It’s important to protect yourself from insect bites by using repellent, but will it affect your performance?
Located in HPRC Blog
Journal EntrySummer heat and the outdoors—a perfect recipe for heat illness
Summer is here! These reminders will help keep you and your family safe during outdoor activities in the heat.
Located in HPRC Blog
Journal Entry D source codeDefining “heat illness”
At some point, you’ll be required to perform in a hot environment, whether it’s on a mission or for the PRT. When you do, be on the lookout for signs and symptoms of progressing heat illness.
Located in HPRC Blog
Journal EntryNew face paint does more than camouflage
New face paint is being tested and hopefully will be approved for the military in the near future. Not only will it hide soldiers’ faces from the enemy, but it will also shield their faces from the extreme temperatures of bomb blasts.
Located in HPRC Blog
Journal Entry Troff documentPhysical activity and sickle cell trait
Sickle cell trait is a largely benign condition that affects millions of people worldwide. Researchers are looking into its role in serious conditions such as sudden death and exertional rhabdomyolysis in athletic and military populations.
Located in HPRC Blog
Journal Entry text/texmacsOver-hydration: too much water hurts
Staying hydrated is essential, especially during physical exertion in the heat. But beware—too much water can be dangerous.
Located in HPRC Blog
Journal EntryIs wicking apparel as “cool” as you think?
Clothing made from synthetic material is still popular in the sports apparel industry, with many manufacturers claiming that it improves heat regulation. That’s not what the science says, though.
Located in HPRC Blog