All suicidal behaviors were significantly more frequent in the suicide group compared to the accident group.
Furthermore, this sensitisation appears to be related to a suicidal outcome as it was found in the suicide group only.
The suicide group achieved significantly greater scores on measures of anxiety, depression, hopelessness and suicidality than the non-suicide group, but not on measures indicative of the severity of psychosis.
Nearly 800 people from the UK have become members of Dignitas, the assisted suicide group based in Switzerland, since it was established in 1998.
But the role in her death of his pro-assisted suicide group Exit International has raised questions about his influence over her decision.
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.
When they examined these genes in the hippocampus, they discovered that, in the suicide group, many more of them had been methylated, or switched off; "frozen assets", says Dr Szyf.
The suicide schema for the suicide group was more elaborate and extensive than for the non-suicide group, even when clinical measures were taken into account.
All other BD suicide deaths were included in a non-self-poisoning suicide group.
A higher AIS was observed within the attempted suicide group in comparison with the work-related one for those with lower limb injuries.
One finding the authors did not expect was that the suicide group used a significantly higher percentage of sexual words throughout their careers.
