Makes perfect sense to me. I think that the modern equivalent of the
harsh environments our ancestors faced is the typical public school
classroom. I recall that as a VERY high stress environment, with no
chance of improvement for years.
Stephen Feldman wrote:
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> <A HREF="http://news.bbc.co.uk/hi/english/health/newsid_1896000/1896275.stm">Click here: BBC News | HEALTH | Ancestors 'used drugs to survive'</A>