Twenty percent of strokes hit people under age 65, and the cause of many of those strokes remains a mystery. Having had a concussion or other traumatic brain injury might make the risk of a stroke more likely, a study says.
Back in 2011, researchers in Taiwan had unearthed an association between traumatic brain injury and stroke by combing through hospital records.
It's one of those "Oh, really?" findings that gets scientists itching to check it out themselves.
When he was in Vietnam, Isaac Oxereok's small build made him ideal for tunnel-ratting: running with a pistol and a flashlight into underground passages built by the Viet Cong. In 1967 he finished his tour with the Army and returned home to Wales, Alaska. Oxereok knew he wasn't quite right, but there wasn't anyone around to tell him how to get help.
"Post-traumatic syndrome?" he said. "I went through that I guess, mostly on my own. Some wounds never really show. So inside was kind of messed up."
The Department of Veterans Affairs is being criticized for the shortfall in care for almost a million veterans who can't get timely compensation and have been waiting hundreds of days for help, often to no avail.
Frustration with the agency came to a head last Thursday when VA Secretary Eric Shinseki was called before a closed-door meeting of the House Appropriations Committee.
"We are aggressively executing a plan that we have put together to fix this decades-old problem and eliminate the backlog, as we have indicated, in 2015," Shinseki said after the meeting.