Halken S, Host A, Nilsson L, Taudorf E. Passive smoking as a risk factor for development of obstructive respiratory disease and allergic sensitization. Halken et al. 1991 (31) Wright et al. 1991 (79) Halken et al. 1992 132) n=10. 106.6-16 yr 68 43 59 n=3482,0-19 yr 62 3. 27+ 32 16 nr186.0-18 mo 43 22 37 16 n=9670,0-10 yr 50 56 n=278,0-18 mo 58 42 41 39 34 ~8 4 7 , 10-12 mo 39 26 30 16 61 n=108 HR infants, 0-18 mo 45 25 38 44 M=Mother; F=Father; M/F only; HR=high-risk infantsdefined as having severe single atopic predisposition combined with cord-blood IgE2 0.05 kU/l or biparental atopic predisposition.
30, 37, 77).Cotinine and nicotine can also be measured in breast milk, and concentrations of nicotine increased 10-fold when the mother smoked just before nursing (15). In a recent study (68), cotinine