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The Air Force Health Study (AFHS) is a longitudinal, prospective epidemiologic study of more than 2,700 men followed for approximately 20 years. This cohort par

The Vietnam War was fought in a jungle environment that provided cover to the enemy and made battlefield observations difficult, so military strategists used he

NEW! Revised content throughout the book provides the most current information for effective practice, and includes updated references as well as a discussion o

From 1962 to 1971, the U.S. military sprayed herbicides over Vietnam to strip the thick jungle canopy that could conceal opposition forces, to destroy crops tha