Heat and cold stress preventionSeveral strategies may assist you withpreventing heat or cold injury andmight better prepare you for exercise inthese environments.The following will help reduce heatrelated injury:• Improve your level of aerobicfitness. Those who are moreaerobically fit can adapt betterduring exercise in the heat.• When suddenly exposed to a hotenvironment (e.g., when takinga vacation to a warmer climate),reduce exercise intensity and lengthof exercise session. It can take 10to 14 days of repeated exercise ina hot environment to adapt to theconditions.