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You should wear tight compression outfits to decrease the possibility of drag, especially in an olympic race. You could even wear a swim hat to lower drag from your hair.
An inhaler, take 2x a day. Breathing in steam, steam cleanses the air. A nebulizer will help too.
Allows for greater intake of higher calorie foods
Builds muscle and increase metabolism
Helps minimize fat and maintain ideal body weight
Improve sport and game performance
Enhance the immune system (fight diseases/ stay healthy)