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Ions crossing BBB?

Michael A. G. Cohn enkidu at mail.utexas.edu
Tue Mar 16 19:24:00 EST 1999

	Can anyone help me learn about the effects dietary sodium has
on sodium levels in the brain? I know the blood-brain barrier normally
only admits nonpolar substances, but clearly some ions have to get in.
I'd like to find out how much the concentration of cranial sodium (and
other ions) normally varies and whether it correlates with their
levels in the blood. 

	I realize this may be something I should be able to find out
about myself. If there is a readily available website or textbook that
explains this, I would be just as happy to learn of that. 

	- Michael Cohn
enkidu at mail.utexas.edu
"Take a man out of a pestilential jungle where people he doesn't
 know are trying to kill him for reasons he doesn't understand 
 and. . . his need to shoot smack goes away."
     - Dan Baum, _Smoke and Mirrors_

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