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Allergy Injectors

In this Oct. 10, 2013 photo, Tyler Edwards, of Hendersonville, Tenn., wears a medical necklace that shows some of the things to which he is allergic. Tyler carries an epinephrine auto-injector with him and provided testimony to legislators in an effort to allow epinephrine, a drug used to treat anaphylactic shock, to be available in schools. (AP Photo/Mark Zaleski)