A recent study from Harvard University has suggested that there might be a downside to attempts to get folk to eat more 'fruit and veg' (http://www.theguardian.com/environment/2015/mar/31/pesticide-residue-food-sperm-quality-harvard). The fly in the ointment is the finding that pesticide residues in these foods can reduce human sperm counts by almost 50% as well as generating higher levels on non-viable sperm. It has been known for years that some pesticides (e.g. organophosphates) have oestrogenic effects which might well account for their effects. It is uncertain whether the residues can be removed by simply washing the items before consumption.
This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Tuesday 31 March 2015
Five a Day?
A recent study from Harvard University has suggested that there might be a downside to attempts to get folk to eat more 'fruit and veg' (http://www.theguardian.com/environment/2015/mar/31/pesticide-residue-food-sperm-quality-harvard). The fly in the ointment is the finding that pesticide residues in these foods can reduce human sperm counts by almost 50% as well as generating higher levels on non-viable sperm. It has been known for years that some pesticides (e.g. organophosphates) have oestrogenic effects which might well account for their effects. It is uncertain whether the residues can be removed by simply washing the items before consumption.
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