Unformatted text preview: on the amount of activity that's going on in the inflammatory immune
system," he says.
Inflammation is a key part of the stress response. It has also been linked to a variety of bodily ills, from diabetes and heart
disease to depression and Alzheimer's disease (/topic s /alz heimers /index .as px ) . "I see inflammation as one of the chief evils
in mammalian biology," Pace says.
Of course, the immune system serves a critical function—and not just for fighting disease. "The immune system is really
http://www.a pa .or g/pr int- this.a spx 1/3 1/16/2014 The be ginnings of me nta l illne ss important for how the brain develops normally," says Staci Bilbo, PhD, an assistant professor of psychology and
neuroscience at Duke University. Cells called microglia are the resident immune cells in the brain. They're the central
nervous system's firstline defense against infections and other invaders. And, Bilbo says, "they do a lot of important
things for building a brain."
For starters, microglia...
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