>> The generally accepted date for the arrival of
>> people in the
>> Americas is about 15,000 years ago, not long before
>> the advent of
>> agriculture in the Old World (about 12,000 years
>> ago).
>
>I understand that estimate has been raised to 25,000
>by some researchers, perhaps even more. I'm not sure
>if that's enough time to allow for adaptation. In any
>case, it would seem to apply to unly those of Native
>American descent.

I know hemp has been around about 20,000 years or so - does anybody have
any data on its nutritional use (or recreational/sacramental/medicinal for
that matter) in early times?

Mike