Article Photos: Parents see more food, skin allergies in children 1/1

In this Sunday, May 29, 2011 file photo, Jeff Glazer guides his allergy-sniffing dog, Riley, through a dugout of a ball field before his team's baseball game in Middlebury, Conn. Riley accompanies Jeff to ensure there are no peanut products or residue that could trigger his life-threatening allergic reactions. (AP Photo/Jessica Hill)