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experts call on feds to reevaluate acceptable risks

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Concerns over use of glyphosate-based herbicides and risks associated with exposures: a consensus statement

February 17, 2016, Environmental Health

The broad-spectrum herbicide glyphosate (common trade name “Roundup”) was first sold to farmers in 1974. Since the late 1970s, the volume of glyphosate-based herbicides (GBHs) applied has increased approximately 100-fold.

In response to changing GBH use patterns and advances in scientific understanding of their potential hazards, we have produced a Statement of Concern drawing on emerging science relevant to the safety of GBHs. Our Statement of Concern considers current published literature describing GBH uses, mechanisms of action, toxicity in laboratory animals, and epidemiological studies. It also examines the derivation of current human safety standards.

We conclude that:

(1) GBHs are the most heavily applied herbicide in the world and usage continues to rise.

(2) Worldwide, GBHs often contaminate drinking water sources,precipitation, and air, especially in agricultural regions.

(3) The half-life of glyphosate in water and soil is longer than previously recognized.

(4) Glyphosate and its metabolites are widely present in the global soybean supply.

(5) Human exposures to GBHs are rising.

(6) Glyphosate is now authoritatively classified as a probable human carcinogen.

(7) Regulatory estimates of tolerable daily intakes for glyphosate in the United States and European Union are based on outdated science.

Read more of the consensus statement HERE.

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