If insomnia is keeping you up at night, you may want to change how you think.

Mental health and physical health tend to be a two-way street — each can affect the other. Having PTSD can affect both, but recent research suggests some of the physical harms associated with PTSD may be the fault of another culprit.

As the suicide rate in the military climbs, the Veterans Administration is looking for ways to improve suicide prevention for veterans. An expert from the Mayo Clinic points out more ways to improve prevention of military suicides.