Childrenwhoareraisedinhouseholdswithdogsduringtheirfirs...
问题详情：Childrenwhoareraisedinhouseholdswithdogsduringtheirfirstyearoflifemayhavealowerriskofasthma(哮喘)afewyearslater,anewstudysuggests.Inthestudy,theresearcherslookedatearlyexposuretodogsandfarmani...