Early exposure to dogs and farm animals and the risk of childhood asthma
Importance The association between early exposure to animals and childhood asthma is not
clear, and previous studies have yielded contradictory results. Objective To determine
whether exposure to dogs and farm animals confers a risk of asthma. Design, Setting and
Participants In a nationwide cohort study, the association between early exposure to dogs
and farm animals and the risk of asthma was evaluated and included all children born in
Sweden from January 1, 2001, to December 31, 2010 (N= 1 011 051), using registry data on …
clear, and previous studies have yielded contradictory results. Objective To determine
whether exposure to dogs and farm animals confers a risk of asthma. Design, Setting and
Participants In a nationwide cohort study, the association between early exposure to dogs
and farm animals and the risk of asthma was evaluated and included all children born in
Sweden from January 1, 2001, to December 31, 2010 (N= 1 011 051), using registry data on …