| Answer | Crossword Clue |
|---|---|
| MITES | Common allergens |
| NUTS | Common food allergens |
| SPORES | Some allergens |
| SPORES | Allergens for some |
| HAY | Source of allergens |
| SINUSES | They're often sensitive to allergens |
| eosinophilia | An increase in the number of eosinophils in the blood, occurring in response to some allergens, drugs, and parasites, and in some types of leukemia |
