A small area of your brain triggers the familiar symptoms of fever, chills, fatigue and loss of appetite when you have a viral or bacterial infection, new animal research suggests.
The findings could eventually lead to ways to reverse this process when symptoms pose a risk to patients, such as when a fever gets too high or people don't eat or drink enough, according to the Harvard University scientists.
It was already known that in response to information from the immune system, the brain causes symptoms of illness when people get sick. But how and where this happens in the brain had remained a mystery.
Until now.
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