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fever & chills

I've been shivering all day, and yet my head feels like it's in a furnace. Very strange this fever. For those who know more about biology, how is that possible? My theory (just based on personal observations) is that I'm so much hotter than the air around me that my skin instinctively reacts by getting goosebumps and telling me I'm cold, causing me the shiver. But you'd think there would be built-in sensors that are based more on absolute temperature than relative temperature. Are there no such sensors in the skin? Or is there just some of each and hence my brain is getting conflicting signals and doing the "wtf? dance"? This is not good, I'm not supposed to get sick this soon in the quarter!

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( 5 comments — Leave a comment )
kaolinfire
Jan. 23rd, 2005 04:52 am (UTC)
Maybe you're just getting it out of the way so you'll be fine for terms :)
spoonless
Jan. 23rd, 2005 04:56 pm (UTC)
Good point, I hadn't thought of it that way!
sapience
Jan. 23rd, 2005 05:13 am (UTC)
from here:
What is this mysterious phenomenon, fever? It's not simply a rise in body temperature. It is an upward shift in the body's "set point," or core temperature, which is regulated by the hypothalamus in the brain. In response to an infection, the body releases chemicals that cause a sensation of being cold. The hypothalamus then raises the set point by making the body burn fat, reduce blood flow to the skin, and shiver.
fallen_x_ashes
Jan. 23rd, 2005 05:48 am (UTC)
Wait a minute...
Wouldn't these chemicals make a very effective weight-loss regimen?
spoonless
Jan. 23rd, 2005 04:55 pm (UTC)
Oh, neato... that makes more sense than what I was thinking. I realized afterwards that what I said doesn't fit with the fact that when you get hot from running or something you still feel hot and not cold. Good to know that my body was just in high gear. This morning my fever is gone and I just have a sore throat, so I guess if it did its job then that should be going away soon too.
( 5 comments — Leave a comment )

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