In summary, our analyses have indicated that people with depression is 3.17 times likely to have a comorbidity of asthma compared with that of counterparts without depression, and that patients with asthma is 1.52 times like to have a comorbid depression compared with those without asthma. At the same time, our results have shown significant differences in concentration of certain cytokines in depressed individuals as compared to those without depression, suggesting that allergy related