Scientists warn that mite enzymes (allergens) may breach lung defenses by dissolving delicate tissue.
Doctors are so concerned that active mite enzymes can breach lung defenses by attacking vulnerable tissue that they write and submit a letter to a medical journal stating their concerns.
Reference ´Effect of mite allergen on permeability of bronchial mucosa’, Herbert CA, Holgate ST, Robinson C, Thompson PJ, Stewart GA, The Lancet, November 3rd 1990, page 1132