[Pflienews] [Fwd: PFLI E-News Update]
PFLI PharmAid Center
pfli at pfli.org
Mon Mar 3 18:11:33 MST 2008
*PharmFacts E-News Update -- 3 Mar 2008 AD #3
*
http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=521535&in_page_id=1770
<http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=521535&in_page_id=1770>
Singing starlings and why thousands of babies who should have been
boys are being born as girls
By GEOFFREY LEAN - Last updated at 23:46pm on 27th February 2008
Next time you hear a starling sing, stop and listen hard. It may well be
warning of a peril that endangers the whole world of nature - and the
very future of the human race itself.
For scientists have found that gender-bender chemicals - increasingly
contaminating the environment, our food, our water and our bodies - are
having a bizarre effect on common birds, causing the males to give voice
to longer and more complex songs.
This is only the latest in a long series of increasingly urgent alarms
being sounded by wildlife against an insidious but devastating danger
that threatens our children.
But so far our leaders have steadfastly and scandalously turned a deaf
ear to them - and, even more shamefully, ignored the first signs that
the peril is already affecting birth patterns, causing thousands of
babies who should have been boys to be born as girls instead.
Starlings and their diverse, complicated and mimicking - though not
beautiful - songs have long fascinated humanity.
Mozart was entranced by a starling after it copied a tune that the great
composer was whistling in a pet store.
Modern scientists have discovered that starlings' songs contain similar
patterns to human speech.
But if we could, indeed, understand what they are communicating, we
would be wise to take heed.
Scientists at Cardiff University have discovered that the brains of male
starlings foraging for worms at a sewage treatment works in South-West
England have been subtly changed by being contaminated by oestrogen from
the contraceptive pill and hormone replacement therapy (HRT).
The female hormones - present in women's urine, and passing through the
sewage treatment unaffected - caused the part of the brain that controls
their song to grow much bigger, causing them to sing at greater length
and with even more virtuosity than usual.
The study confirms similar, if slightly differing, research on other
birds, which scientists say is adding up to some of the first concrete
proof of the effects of gender benders on the natural world.
Researchers at the University of California have found that feeding
female finches with a hormone used in HRT has caused them to sing,
something hitherto done only by their males.
And studies at the University of Alberta have found robins exposed to
the pesticide DDT before birth suffered damage to the region of the
brain that enables them to sing and protect their territory.
Dr David Crews of the University of Texas calls the research on birdsong
"very significant", describing it as "the first step needed to
demonstrate a causal link between specific pollutants and the effects on
wildlife populations".
Yet there have been strange warning signs for decades. Way back in the
early 1970s, researchers found that female gulls had taken to nesting
together all over the U.S., the males having apparently lost interest.
When the bashful males were caught and examined, they were found to have
developed female egg-laying canals.
In the 1980s, researchers in Florida found that alligators were failing
to reproduce because their males had mysteriously tiny penises; further
investigations revealed that they had developed female hormone patterns
- and that turtles in the same waters had developed into hermaphrodites.
Most alarming of all, repeated studies by Britain's own Environment
Agency have shown that about a third of the male roach in rivers and
streams right across the country have begun producing eggs, after
developing female sex organs.
Again, the problem was traced to oestrogen passing through sewage works
- in some areas, near particularly heavy inflows of treated water, all
the males were found to be between sexes.
The findings have inevitably raised concern that people may also be
affected, since one-third of the country's drinking water comes from
rivers, much of it beneath sewage outfalls.
And, whether or not this is the cause, male sperm counts have been
dropping precipitously both here and across the world.
*Fertile*
Studies in more than 20 countries have shown that average amounts have
fallen by well over half in the past 50 years, from an average of more
than 150 million per millilitre to 66 million.
The result is that men are now less than half as fertile as hamsters.
The counts are continuing to plunge by two per cent a year, and no end
to the decline is in sight. At this rate, the average man will be unable
to father children within decades.
Increasingly the sperm crisis is being blamed on a whole host of
chemicals, not just synthetic oestrogen, but a wide variety of
substances that have become ubiquitous in daily life.
They include the common plastic PVC; dioxins, the notorious pollutants
found almost everywhere; PCBs, one-and-a-half million tons of which have
been used in countless products from paints to plastics; and phthalates,
universally used to make plastics more flexible.
Recent tests by WWF (formerly the World Wildlife Fund) on 14 basic
foodstuffs taken from supermarket shelves found that every single one
contained PCBs, and most were contaminated by phthalates.
Both substances have been shown to have deeply worrying effects on
babies and children.
Scientists at Rotterdam's Erasmus University have found that boys born
to mothers exposed to PCBs grew up wanting to play with dolls and tea-sets.
And research at the University of Rochester in New York State has shown
that the male children of women exposed to phthalates have smaller
penises and other signs of feminisation of their genitals.
Communities exposed to high levels of these and other gender-bender
chemicals, from the Great Lakes of North America to the Russian Arctic,
have been found to give birth to twice as many girls as boys.
This may offer a clue to the cause of a mysterious shift in the sex of
babies worldwide.
*Conflict*
Normally 106 boys are born for every 100 girls, in what is thought to be
nature's way of compensating for the fact that males were more likely to
be killed hunting or in conflict.
But increasingly this ratio is slipping - it is calculated that 250,000
babies who would have been boys have been born girls in the U.S. and
Japan alone.
You would think that all this accumulating evidence would long since
have sparked alarm in governments worldwide.
Far from it. When the EU drew up its first comprehensive controls on
chemicals two years ago, it largely exempted gender benders from them.
Britain, under Tony Blair's leadership, was largely responsible for this
exemption, and confidential documents show that it obediently acted to
water down the controls following direct representations from the Bush
administration - almost unbelievably putting the interests of foreign
firms above the health of British children.
Since then, as Dr Gwynne Lyons, director of the expert group, CHEM Trust
puts it, there has been "regulatory inertia".
That needs to change, and fast. If ministers continue wilfully to refuse
to heed the science, they should, at least, listen to the starlings.
------------------------------------------------------------------------
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