Re: "Hardwired to Connect" and Human Evolution, an alternative explanation

James Michael Howard <[EMAIL PROTECTED]> writes:

>I suggest my work provides another explanation of this crisis in America.  It is
>my hypothesis that human evolution is driven by selective reproduction due to
>testosterone ("Androgens in Human Evolution," Rivista di Biologia / Biology
>Forum 2001; 94: 345-365, www.anthropogeny.com/evolution.html ).  I suggest this
>is an ongoing phenomenon identifiable as the "secular trend" in modern
>populations.  The secular trend is the increase in size, mainly weight, of
>children and earlier onset of puberty.  The trend is real and ongoing in the
>U.S. (Arch Pediatr Adolesc Med 2000;154:155-161).  I suggest this increase
>represents an increase in the percentage of individuals of higher testosterone.
>Increased testosterone increases size and stimulates earlier puberty.  Increased
>testosterone increases sexuality and aggression.  Individuals of higher
>testosterone will produce more offspring, more rapidly than those of lower
>testosterone.  Given time, individuals of higher testosterone will increase in
>percentage within our population and produce the secular trend.  (Some say the
>trend is due to increased nutrition (calories).  Increased calories simply
>accelerate reproduction, especially of higher testosterone individuals.
>Increased nutrition is not the cause of the secular trend, increased nutrition
>simply accelerates reproduction.)

So why is this allegedly evolutionary change happening so much faster in the US?

If it *is* happening faster in the US, then could it not be identified
by DNA comparisons of the genes connected with testosterone of the US
population compared to, say, European?
--
Chris Malcolm [EMAIL PROTECTED] +44 (0)131 651 3445 DoD #205
IPAB,  Informatics,  JCMB, King's Buildings, Edinburgh, EH9 3JZ, UK
[http://www.dai.ed.ac.uk/homes/cam/]