On 8/17/06 8:55 AM, in article
1155822905.100759.177880@i3g2000cwc.googlegroups.com, "stryped"
> x-no-archive:yes
>
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>> Viagra has a half-life of 4 hours. That does not mean it is completly out
>> of your system in 4 hours.
It will vary with the person, but on average, half should be out in four
hours, half of what's left should be out in the next four hours and so
forth.