It might have been the 2,000-pound bomb that dropped near him in Afghanistan, killing several comrades. Or maybe it was the helicopter crash he managed to survive. It could have been the battlefield explosions that detonated all around him over eight combat tours.
Whatever the cause, the symptoms were clear. Brig. Gen. Donald C. Bolduc suffered frequent headaches. He was moody. He could not sleep. He was out of sorts; even his balance was off. He realized it every time he walked down the street holding hands with his wife, Sharon, leaning into her just a little too close.