Common chemicals that
disrupt human hormones could be costing more than €150bn ($165.4bn;
£108.5bn) a year in damage to human health in Europe, a series of
studies claims.
The data suggests the high economic impact of chemicals in pesticides, plastics and flame retardants.
The team, led by New York University, said the estimates were conservative.
However, experts cautioned the findings were "informed speculation" and called for more detailed research.
The data was presented at the annual meeting of the Endocrinology Society.
Endocrine-disrupting chemicals (EDCs) can be physically
similar to the hormones that naturally control our body's physiology so
mimic their function. They can also block the function of hormones.
They have been linked with declining sperm counts, some
cancers, impaired intelligence, obesity and diabetes. The main concern
surrounds their impact during early development.
The authors of the study argued that limiting exposure would have significant benefits.
'There is uncertainty'
In the EU, one of the most famous disrupting chemicals, bisphenol A (BPA), has been banned in baby bottles and children's toys.
Yet the European Commission says the relationship between EDCs is not clear and has called for more detailed studies.
Many of the conditions linked to EDCs are also influenced by a
wide range of other environmental influences. And some scientists
contest the levels in the environment are not high enough to influence
health.
Some questioned whether BPA, found in babies' bottles, was that harmful
The international research team acknowledge "there is
uncertainty" and adapted techniques used by the International Panel on
Climate Change to balance the uncertainty with the potential scale of
the impact.
Their mathematical models suggested that across the 27
members of the EU, the most likely cost was €157bn ($173bn; £113.6bn) a
year, but could be much higher. That equates to 1.2% of Europe's GDP.
This included healthcare costs as well as lost economic potential.
Their calculations said it was more than 99% certain that at least one of the chemicals was indeed having an impact on health.
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