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A dark haired man is asleep on a grey couch under a darker grey blanket. A box of tissues is under his arm, and he is holding a tissue in one hand.
Why Do I Sleep So Much When I Am Sick?
Some elements of human immune systems serve important functions beyond fighting infections.
Why Do I Sleep So Much When I Am Sick?
Why Do I Sleep So Much When I Am Sick?

Some elements of human immune systems serve important functions beyond fighting infections.

Some elements of human immune systems serve important functions beyond fighting infections.

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A mouse brain showing activated neurons (white) in the brainstem 3 hours after LPS injection.
Research Pinpoints the Neurons Behind Feeling Sick
James M. Gaines | Sep 23, 2022 | 5 min read
Specific neurons in the brainstem control sickness behaviors not directly caused by a pathogen, such as tiredness and lack of appetite, a mouse study finds.
Study: Facial Cues Indicate Sickness
Diana Kwon | Jan 3, 2018 | 2 min read
Pale skin and hanging eyelids are tell-tale signs of apparent illness.
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