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publicado em 31/08/2013 às 11h00:00
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Safe level of environmental pollution affects long-term health

Research indicates that lifelong exposure to very low levels of contaminants in food leads to metabolic diseases

 
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Research suggests that the mixture of pollutants reduced the activity of estrogen in the liver by strengthening an enzyme responsible for the elimination of the hormone
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Research suggests that the mixture of pollutants reduced the activity of estrogen in the liver by strengthening an enzyme responsible for the elimination of the hormone

Exposure to a level considered "safe" environmental pollution affects human health in the long term. It indicates that the study researchers from INSERM, France.

The results indicate that contact throughout life at very low levels of contaminants in food leads to metabolic diseases.

This study adds evidence to rethink how to address risk assessment, especially when one considers that the human population is widely exposed to low levels of many chemicals, and the health impact of realistic mixtures of pollutants must be tested " , says the researcher Brigitte Le Magueresse Battistoni.

According to researchers, a pollutant may have a different effect when mixed with other pollutants. Thus, the study may have important implications in terms of recommendations for food safety. Our data also bring a new light to the understanding of the environmental impact of food contaminants in the development of metabolic diseases, "the authors say.

They used two groups of obese mice for the study. Both were fed a diet enriched with high-fat, high sucrose with a group that received a cocktail of pollutants added to their diet at a very low dose.

These pollutants were given to mice at all stages - from pre-conception to adulthood.

The study results suggest that the mixture of pollutants reduced the activity of estrogen in the liver by strengthening an enzyme responsible for the elimination of the hormone.

The team believes that the research reinforces the concept that pollutants can contribute to the current prevalence of chronic diseases, including diabetes and metabolic diseases.

"This report confirms something we've known for a long time: the pollution is bad for us. But what is equally important, it shows that the assessment of food contaminants and pollutants on an individual basis may be too simplistic. We can see that when levels of contaminants and pollutants "safe" act together, have a significant impact on public health, the authors conclude.

Source: Isaude.net
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Environmental pollution    health    food contaminants    INSERM    Brigitte Le Magueresse - Battistoni   
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