问题描述：
英语翻译
In a study by Lisa Aspinwall,PhD,at the University of Marryland,subjects read health-realeted information on cancer and other topics.
求主干句
In a study by Lisa Aspinwall,PhD,at the University of Marryland,subjects read health-realeted information on cancer and other topics.
求主干句
问题解答：
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