Turkana pastoralist warriors in Kenya (IMAGE)

Arizona State University

Turkana pastoralist warriors in Kenya

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Turkana research assistant Amuria Lotiira holds a saliva collection tube and explains the protocol to potential participants in an ASU study. In 2015, a team tested levels of cortisol and testosterone from saliva samples from Turkana pastoralist warriors in Kenya. A Turkana-area chief sits to the left of Lotiira. Photo by Matthew Zefferman

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Photo by Matthew Zefferman

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