Pollen packs a punch in U.S. 'allergy capitals'
May 17, 2011, 9:42 a.m.
Video: Record-setting rainfall this spring has created an explosion of plant life that has pushed the pollen count to oppressive levels.
Little girl is allergic to cold weather
February 8, 2011, 10:15 a.m.
Video: 9-year-old Priscilla Pomerantz suffers from a rare allergy called cold urticaria, a condition that forces her to forgo ice cream, swimming and playing in the snow.