A military judge presiding at Guantanamo Bay has determined that one of the five individuals accused in connection with the 9/11 attacks is not mentally fit for a trial that could potentially result in the death penalty.

US judge rules 9/11 defendant unfit for trial, citing PTSD and psychosis

PTSD, or Post-Traumatic Stress Disorder, can have significant effects on the brain. It involves alterations in various brain regions and neural networks that are responsible for memory, emotion regulation, and stress response.

Post-Traumatic Stress Disorder: Psychologist reveals how your body and brain change after trauma

A study conducted by the American Journal of Psychiatry on 200,000 military veterans shows that genetics lay the foundation of anxiety and depression. It has identified six genetic variants that are linked to anxiety and explains how some people might be pre-inclined towards anxiety.

Genetics foundation of anxiety and depression: Study

Three women and a gunman who held them hostage at a California veterans home were found dead late on Friday, bringing a tragic end to an all-day standoff with police at the sprawling facility, authorities said

Gunman and three hostages found dead at California veterans home

No injuries were reported at the sprawling facility in Yountville, a picturesque town located in the heart of Napa Valley, California

Gunman holed up at California veterans home with 3 hostages 

'I don't have the same kind of issues that you have, but I have a mental illness, and I struggle with that mental illness every day'

Lady Gaga reveals battle with PTSD after rape