the street destroyed brain cells that produce dopamine the absence of which

The street destroyed brain cells that produce

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the street) (destroyed brain cells that produce dopamine, the absence of which causes Parkinson’s disease) o Rotenone extracted from roots of plants is linked with Parkinson’s disease
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Ève Belzile-Dugas Winter 2015 o The use of professional pest control services at any time form 1 year before birth to 3 years after was associated with a significantly increased risk of childhood leukemia o No risk with outdoor pesticides including herbicides - Subtle chronic effects (long-term consequences)? o Atrazine disrupts frog development o Pesticides block male hormones o Pesticide exposure linked to increased endometriosis risk o Pesticide use and menstrual cycle characteristics among premenopausal women in the agricultural health study - Conclusion o The lack of human bio-monitoring data for environmentally relevant pesticides presents a barrier to current risk assessment of pesticides on humans. o We consume many products that have effects on our hormones (milk, soy, hummus) without danger o WHO estimates 3 million pesticide poisonings worldwide every year with 220,000 deaths, most of which are intentional (suicide) - Herbicides o Only need application rate of teaspoons per acre o Low toxicity because it interacts with an enzyme not found in people, but in weeds o 17 million pounds less use per year in using (S)-metolachlor than racemic mixture of metolachlor - Neonicotinoids : associated with colony collapse disorder - There are many naturally occurring pesticides - A cup of coffee contains about 10 mg of suspected or known carcinogens: o Acrylamide o Caffeic acid o Benzene o Styrene o Formaldehyde o Furfural - We consume about 1.5g of natural pesticides a day which is 10,000 times more than the amount of artificial pesticides daily consumption. - The body handles synthetic and natural toxins the same way . - The term natural is ambiguous and does not have specific connotation. - The term organic , however, means the food cannot have synthetic pesticides, synthetic fertilizers or genetically modified components.
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Ève Belzile-Dugas Winter 2015 o Relying on natural means to control insects and weeds o Organic farmers can use pesticides, but naturally occurring ones. - People buy organic for three reasons o For what it does not contain (pesticide residues) o For what it does contain (more nutrients) o For environmental benefits - Is organic really free of pesticide residues? o There are standards but regulation is spotty o E.g. copper sulfate (which occurs in nature) can be used as an organic pesticide. o Bacillus thyringiensis bacteria are very effective at killing pest and are very used by organic farmers (works on an enzyme of pest, not us). o Apples can have up to 36 pesticides. o 80% of fresh foods we eat are residue-free. o 90% of processed foods we eat are residue-free.
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  • Spring '11
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