Watch this video about new help for allergy sufferers on HowStuffWorks. Allergy rates are on the rise in the U.S. with about 50 million allergy sufferers. As a result, allergy sufferers are flocking to pharmacists, spending nearly $3 billion a year on antihistamines and other similar reliefs. Still, many don't really know which type of relief to buy. Learn how to help your allergies in this video from Medialink.