A friendship between an environmental historian and a chronically ill US Marine yields a powerful exploration into the toxic effects of war on the human body.

Alexander Lemons is a Marine Corps scout sniper who, after serving multiple tours during the Iraq War, returned home seriously and mysteriously ill. Joshua Howe is an environmental historian who met Lemons as a student in one of his classes. Together they have crafted a vital book that challenges us to think beyond warfare's acute violence of bullets and bombs to the "slow violence" of toxic exposure and lasting trauma.

Lemons vividly describes his time in Fallujah and elsewhere during the worst of the Iraq War, his descent into a decade-long battle with mysterious and severe sickness, and his return to health; Howe explains the many toxicities to which Lemons was exposed and their potential consequences. Together they cover the whirlwind of toxic exposures military personnel face from the things they touch and breathe in all the time. They also consider PTSD and traumatic brain injury, which are endemic among the military and cause and exacerbate all kinds of physical and mental health problems. Finally, they explore how both mainstream and alternative medicine struggle to understand, accommodate, and address the vast array of health problems among military veterans.