By Daily Mail Reporter
Last updated at 2:03 AM on 03rd November 2008
Most people with allergies consider them a nuisance at best while more serious cases can be life threatening.
But scientists now claim that they have an upside.
Hay fever and eczema could be your body's defense against cancer.
Allergy symptoms, like sneezing or a runny nose, get rid of foreign particles in the air, which may be carcinogenic, the researchers say.