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From: heather@blia.BLI.COM (Heather Mackinnon)
Newsgroups: misc.consumers,sci.bio,sci.misc
Subject: Re: pesticides
Message-ID: <3102@blia.BLI.COM>
Date: Mon, 17-Aug-87 12:19:26 EDT
Article-I.D.: blia.3102
Posted: Mon Aug 17 12:19:26 1987
Date-Received: Tue, 18-Aug-87 05:52:23 EDT
References: <3620@cit-vax.Caltech.Edu> <2207@zeus.TEK.COM>
Organization: Britton Lee, Los Gatos, CA
Lines: 22
Summary: coevolution
Xref: mnetor misc.consumers:2504 sci.bio:589 sci.misc:448

In article <2207@zeus.TEK.COM>, dant@tekla.TEK.COM (Dan Tilque;1893;92-789;LP=A;60HC) writes:
> 
> Two points about natural insecticides (carcinogens) need to be made.
> 
> 1.  Because humans have selected and bred for more insect resistant plants, 
> the amount of natural insecticides in plants has actually increased over
> the years.
> 
> 2.  The natural insecticides are concentrated just in the plants, not
> spread indiscriminately about the countryside.
> 
> Dan Tilque

and
3.  We evolved with the natural insecticides in plants in the levels they
    are found in plants.  Most experiments on carcinogens show how the
    chemicals work in isolation.  Sure, chemical X may cause all sorts
    of problems when administered all by itself, but what happens when you
    add Y and Z? 

Heather Mackinnon
Just an interested amatuer