Like tea or yoga, pain relief comes in more than one temperature. You reach for a bag of frozen peas from the freezer if you twist your ankle. You might even take a clue from your chiropractor and use a heating pad to relax that knot in your right shoulder. But what about when your shins start aching from too many miles on the pavement, or when you pull a muscle picking up the cat litter the wrong way? Read the full article on Prevention.com.