This suggests that the hypermethylation in the suicide group was not just a general difference, says Dr Szyf, but rather a response to something specific, such as abuse suffered in childhood.

• 这表明，甲基化在自杀组不只是一般的差异，斯兹夫博士说，更像是一些特殊事情的反应，比如说童年所遭受的虐待。