Arch Environ Occup Health. 2010 Apr-Jun;65(2):101-5.
"Epidemiologic studies have found inverse associations between allergy and the development of certain tumors. The authors sought to determine if there was an association between asthma and ovarian cancer......The results of this statewide (Florida) exploratory study suggest that individuals with asthma may have a lower risk of developing ovarian cancer than nonasthmatics.