Is your immune system affecting how you think?

Over at Discover, Carl Zimmer tackles a question that many of us are wondering about during flu season. Why do our brains get sluggish when we're sick? It turns out that a neuroscientist named Jonathan Kipnis is working on an answer. He studies how T cells, major players in our immune system, collect in the lining… » 2/15/13 11:58am 2/15/13 11:58am