In the study, initiated by a team of investigators at McLean Hospital, the genetic data of close to 200,000 people were racked up as part of the Psychiatric Genomics Consortium-PTSD Group.
The findings, appearing in the peer-reviewed journal Nature Neuroscience, was based on the genetic data of participants residing in the U.S., UK, Denmark, Germany, and Sweden.
The study was conducted by a research team in the U.S. and Sweden. It included the medical records of more than 800,000 Swedish children and relatives.