Battle scars are not always visible.
Post-traumatic stress disorder affects almost 30 percent of soldiers who serve in Iraq and Afghanistan.
Journalist Ann Jones researched how war affects people’s minds by following troops in the Middle East. Her new book is called “They Were Soldiers: How the Wounded Return from America's Wars: The Untold Story.”
In it, Jones also looks at how war touches those close to soldiers: spouses, children, doctors and friends. She spoke at Town Hall on March 18, 2014.