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Re: [RC] eating at rides//cold diuresis-Lynne - Beverley H. Kane, MD

On 10/2/06 11:06 PM, "Lynne Glazer" <lynne@xxxxxxxxxx> wrote:

The only thing I can't do is COFFEE.  The
diuretic effect is somehow magnified in the cold weather of a dawn
start, yikes. 

Ah, you're describing physiological process of "cold diuresis." It's the
opposite of sweating, where water is evaporated out the skin. In the cold,
blood is shunted away from the periphery (hands, feet, skin, superficial
tissues) and into the central regions of the body, including the kidneys.
When the kidneys get more blood, they produce more urine.

Important to have extra hydration in cold and at altitude.



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Re: [RC] eating at rides, Lynne Glazer