Breathing other people's smoke.
D002648:Child; D002675:Child, Preschool; D002961:Civil Rights; D003876:Dermatitis, Atopic / Q000139:chemically induced; D004781:Environmental Exposure; D005192:Family Health; D006801:Humans; D007223:Infant; D010947:Plants, Toxic; D012129:Respiratory Function Tests; D012906:Smoke; D014026:Nicotiana
D012906:Smoke