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Contaminated Milk Associated With Development of Parkinsonís Disease

by Reshma Anand on  December 10, 2015 at 3:33 PM Research News   - G J E 4
'Drinking milk is very good for health' is the most common phrase used by mothers to their children. But interestingly, drinking milk in Hawaii can increase the risk of Parkinson's disease. Wonder why?
Contaminated Milk Associated With Development of Parkinsonís Disease
Contaminated Milk Associated With Development of Parkinsonís Disease
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A new study led by Robert Abbott and his colleagues from Shiga University of Medical Science in Japan has revealed that a pesticide in milk may lead to Parkinson's disease in later stages of life. The study was published in the Journal Neurology.

‘Milk drinkers in Hawaii had residues of an organochloride called heptachlor epoxide which damaged the nerve cells in the brain triggering the onset of Parkinsonís disease.’
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In 1980's there was an environmental scandal in Hawaii, where cows were fed with pineapple debris. Hawaiian farmers used a pesticide called organochloride in their pineapple fields to grow them. So, this pesticide made its way in the milk given by these cows.

Researchers studied the brains of 449 Parkinson's patients and recorded the density of neurons in regions associated with Parkinson's. They found that men who reported drinking more than two glasses of milk a day showed the thinnest nerve networks in these compared to men who drank little or no milk.

The team also found that the milk drinkers had residues of an organochloride called heptachlor epoxide. This accumulation would have damaged the nerve cells in these region triggering the onset of Parkinson's disease.

Still, the study has not given the exact association between this pesticide and Parkinson's disease. The team also did not have the exact milk samples containing this pesticide. The authors still suggested to drink milk because of its nutritional benefits, though the effects of such food contamination must be noted and taken care.

Source: Medindia
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