Following his best selling, Pulitzer Prize nominated book On Killing, Lt. Col. Dave Grossman, with Loren W. Christensen, present On Combat, a ground-breaking examination of what it takes to perform, cope and survive in the toxicity of deadly combat as a soldier in a foreign land, and a police officer in the mean streets of urban America. Written by two warriors who have been there and done that, On Combat looks at what happens to the human body under the stresses of deadly battle the impact on the nervous system, heart, breathing, visual and auditory perception, memory - then discusses new research findings as to what measures warriors can take to prevent such debilitations so they can stay in the fight, survive, and win.