Dr.Mark Hamer's study on the psychological impact of second-hand tobacco smoke appears in the Archives of General Psychiatry, a journal published by the American Medical Association.
VOA: standard.2010.06.15
He responds in the second paragraph of the letter in the left-hand column of the packet to this criticism that he's doing so little.
他在信左手边的第二段,对他做的如此至少的批评作出了回应。
Although there is some evidence that artery damage caused by second-hand smoke in adults may be reversible, LaVan says it's unclear whether that's also true for adolescents.
VOA: standard.2010.03.04
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