Example sentences of "can affect their " in BNC.

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1 However , keeping fish long-term in a sterile environment can affect their immune systems , leaving them unable to fight infection when removed to a pond or a tank .
2 No child of that age should have to face something which they 've the intelligence to realize can affect their whole lives , even if they are too young to appreciate , mercifully , just how much .
3 ‘ It can affect their children 's health , ’ he said .
4 Adoption has primarily been seen as a means for infertile couples to gain a family , but other people may also choose to adopt : birth relations eg , grandparents ; step-relations ; those wishing to increase their family and offer a child a home ; families already fostering the child ; families with hereditary illness which can affect their biological children .
5 To stop them breathing these er spores which can affect their lungs and cause farmer 's lung .
6 Nevertheless , the condition of a house can prevent the occupants from being able to turn it into a home , and can affect their health and the stability of their relationships .
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