[Comment: Mold is the likely culprit.]
Damp house linked to kids' risk of nasal allergies
http://www.nlm.nih.gov/medlineplus/news/fullstory_101648.html
"Children who live in damp, water-damaged homes may be more likely than other kids to develop nasal allergies, a new study suggests"
http://www.nlm.nih.gov/medlineplus/news/fullstory_101648.html
"Children who live in damp, water-damaged homes may be more likely than other kids to develop nasal allergies, a new study suggests"