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* Increased cardiac output in hot conditions<ref name="Nielsen"/>
* Reduced core temperature for given exercise time and intensity<ref name="Nielsen"/>
* The athlete becomes psychologically prepared for heat stress. <ref name="ismj"/>
* The ability to consume and absorb more fluids (anecdotal evidence only)
==How To Acclimate to Heat==
* Exercise at 50% VO2max or above<ref name="Armstron1991"/>
* Consider alternating heat acclimation training and cooler training to preserve intensity<ref name="Noakes"/>
* Training in a warmer environment is ideal, but creating a microclimate by overdressing also works<ref name="Noakes"/>
* Exercise in heat produces better acclimation than passive heat<ref name="ismj"/>
==Notes on Heat Acclimatization ==
* Younger runners do better in the heat than older runners but training can negate this<ref name="Armstron1991"/>
<ref name="Nielsen">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1175224/ Human circulatory and thermoregulatory adaptations with heat acclimation and exercise in a hot, dry environment.</ref>
<ref name="Binkley">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC164365/ National Athletic Trainers' Association Position Statement: Exertional Heat Illnesses</ref>
<ref name="ismj">http://www.ismj.com/default.asp?pageID=854255817%20-%2029/03/2006%20-%20Rank:0</ref>
</references>