But there is hope that allergy sufferers may one day live in a world that's far more comfortable. Suddenly there's a booming market for products and services that were unimaginable 30 years ago. Hotels offer allergy sufferers rooms with special ventilation systems and linens washed with nontoxic products. Scientists are finding ways to get rid of the allergenic proteins in common offenders. Researchers at the University of Melbourne in Australia also claim to have developed the first hypoallergenic rye grass: It doesn't cause hay fever.