Children exposed to pets, viruses and dust (Clin Exp Allergy, 1999; 29: 611-7; BMJ, 2001; 322: 390-5; Lancet, 2000; 35: 1680-3) at an early age have less asthma as they get older.
Children exposed to pets, viruses and dust (Clin Exp Allergy, 1999; 29: 611-7; BMJ, 2001; 322: 390-5; Lancet, 2000; 35: 1680-3) at an early age have less asthma as they get older.