Glyphosate Herbicides Plus Sun Exposure is A Deadly Combination


By Heather Callaghan

The sun does not cause skin cancer, but it appears that certain glyphosate-containing herbicides, combined with sun exposure, does.

Via GM Watch [emphasis added]:

Fungicides macozeb and maneb also linked with higher skin cancer risk

People who are exposed to glyphosate herbicides in their work are more likely to suffer from an aggressive form of skin cancer called cutaneous melanoma, a new study shows.

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Over 80% of GM crops are engineered to tolerate being sprayed with glyphosate herbicides.

Exposure to the fungicides mancozeb or maneb was also associated with a higher risk of this type of cancer.

When subjects were exposed to both pesticides and occupational sun exposure, the risk increased even more.

The study, published in the Journal of Occupational and Environmental Medicine, was conducted in two different geographic areas – Italy and Brazil – where the researchers were based. Detailed pesticide exposure histories were obtained from the subjects and possible confounding factors were controlled for.

Even though melanoma accounts for only 1% of skin cancer cases, it accounts for a large majority of skin cancer deaths. It is significantly diagnosed more in men – who still make up the majority of farming operations.  This year, it is estimated that 76,000+ new melanomas will be diagnosed, of which over 10,000 are expected to die. With such a bleak outlook, it is imperative that the scientific, medical and farming communities take the above study seriously to heart.

Last year, the World Heath Organization’s cancer agency, IARC (International Agency for Research on Cancer), concluded that glyphosate herbicide is a probable human carcinogen, Group 2A. (study) Monsanto denied those findings and called for a retraction. A different study found glyphosate to be implicated as a breast cancer cause at  the parts per trillion range.


In 2012, Professor Gilles-Eric Séralini’s study, complete with pictures of tumor-ridden lab rats, rang out like a “shot heard ’round the world.” It was his study linking GMO corn to cancer, that was retracted – for which Monsanto was implicated. This did not phase Séralini who recently found that other, supposedly “inert,” ingredients associated with Roundup are even more dangerous than glyphosate.

Thus, it is not too difficult to connect the herbicide/fungicide/cancer dots no matter how many times Monsanto claims it is totally safe for humans. Thankfully, studies like the above can call for accountability – albeit passively – since our regulatory agencies simply will not.

This article (Glyphosate Herbicides Plus Sun Exposure is A Deadly Combination) can be republished with attribution to Heather Callaghan and Natural

Heather Callaghan is an independent researcher, natural health blogger and food freedom activist. You can see her work at Like at Facebook, Twitter and Instagram.

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