February 16, 2013

Can Boosting Immunity Make You Smarter?

Carl Zimmer, Discover


AP Photo

After spending a few days in bed with the flu, you may have felt a bit stupid. It is a common sensation, that your sickness is slowing down your brain. At first blush, though, it doesn’t make much sense. For one thing, flu viruses infect the lining of the airways, not the neurons in our brains. For another, the brain is walled off from the rest of the body by a series of microscopic defenses collectively known as the blood-brain barrier.

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TAGGED: Brain, Intelligence, Immune System, T-cells

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