Subscriber Exclusive Articles
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Hot and Cold Therapies for Injuries and Disease
By Brenda S. Collins
Thermotherapy and cryotherapy have their roots in ancient Egypt. Today we use chemistry to make hot and cold packs available anywhere. Which should you use when? And what happens within your body when you apply hot versus cold?
Keeping the Playing Field Level
By Steven Farmer
Performance-enhancing drugs have been used for centuries. To keep the playing field level, the World Anti-Doping Association uses sophisticated methods for determining natural testosterone from its synthesized counterpart.