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Written by Administrator   
Monday, 25 August 2008 22:46

CAFFEINE

Caffeine is by far the most widely used stimulant, and its effects are strongly underrated.
It has a stimulating effect because of its ability to inhibit the enzyme phosphodiesterase.
This enzyme cyclically breaks down AMP, the second messenger for a number of neural transmission systems, including the noradrenaline system.

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