Evan Dunfee, an elite Canadian race walker, won the bronze medal at the World Championships in Doha. The heat was a major obstacle to performance, but Evan was able to make the best out of the situation by adopting a variety of cooling, hydration, and nutrition strategies. Limiting dehydration is key to aerobic performance. A) Dehydration should be limited to what % of body weight? B) In your own words, describe how sweat and the process of sweating contribute to body temperature control. C) List the 2 main electrolytes lost through sweat.