Medicine & Science in Sports & Exercise, February 2007, Vol. 39, Issue 2. Exercise and Fluid Replacement.
http://journals.lww.com/acsmmsse/Fulltext/2007
/02000/Exercise_and_Fluid_Replacement.22.aspx

American College of Sports Medicine, Selecting and Effectively Using Hydration for Fitness
http://www.acsm.org/docs/brochures/selecting-and-effectively-using-hydration-for-fitness.pdf

American College of Sports Medicine, Preparing For and Playing In the Heat
http://www.acsm.org/access-public-information/articles/2012/01/13/preparing-for-and-playing-in-the-heat

McHenry County College Fitness Center Newsletter, Exercise and Cold Weather: Tips to Stay Safe Outdoors
http://www.insidemcc.mchenry.edu/Newsletters
/Fitnotes.pdf

Medicine & Science in Sports & Exercise, November 2006, Vol. 38, Issue 11. Prevention of Cold Injuries during Exercise
http://journals.lww.com/acsm-msse/Fulltext/2006/11000/Prevention_of_Cold_
Injuries_during_Exercise.19.aspx