Postmortem brains of suicide victims with childhood histories of abuse show
A) methylation of a gene that regulates stress hormone responses.
B) methylation of a gene that regulates mood.
C) methylation of a gene for suicidality.
D) a failure of methylation of genes for stress and suicidality.

Question

Quizplus · Accepted Answer

Studies have shown that postmortem brains of suicide victims with histories of childhood abuse have increased methylation of a gene called NR3C1, which regulates the body's stress hormone response. This suggests that early life stress can lead to changes in the epigenome that may increase the risk of suicide.

Postmortem Brains of Suicide Victims with Childhood Histories of Abuse