chronic exposure


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chronic exposure

Repeated exposure to a toxic agent or radiation over an extended period of time.
See also: exposure
References in periodicals archive ?
Acute exposures did not have much effect, but chronic exposure diminished the absorptive projections on the surface of intestinal cells called microvilli, showed the findings published in the journal NanoImpact.
For chronic exposure, separate logistic regression models were used to determine the odds of stillbirth associated with relative cold or hot exposure in comparison with mild exposure during the preconception period, first trimester, second trimester, and the whole pregnancy for the entire cohort.
Garin said arsenic was a carcinogenic chemical and chronic exposure could eventually damage a person's internal organs and initially cause skin diseases.
Acute exposure to ethanol had more potent effect on plasma concentration of total cholesterol than chronic exposure to ethanol, it may be because of acute exposure to ethanol in addition to alchol dehydrogenase pathway microsomal pathway also become activated [11].
Cardiovascular Adaptations to Chronic Exposure to Altitude
Chronic exposure to genistein, a soy isoflavone, reduced the number of pre-cancerous lesions in the colons of laboratory rats exposed to a carcinogen by 40 percent and reduced Wnt signaling to normal levels, she said.
Thus, our results suggest that chronic exposure of manganese chloride exerts cytotoxic effects on Schwann cells and as such may have pathophysiological implications in manganese toxicity in the peripheral nervous system.
The individual may attribute the problem to the acute contaminant when, in fact, the problem was primarily due to the longer-term chronic exposure of another.
Chronic exposure to hormone-like chemicals in food and drinking water may have a similar effect down the generations, evidence suggests.
However chronic exposure of nicotine in adults did not have the same effects.
Summary: TEHRAN (FNA)- A new study raised concern about chronic exposure of workers in industry to a food flavoring ingredient used to produce the distinctive buttery flavor and aroma of microwave popcorn, margarines, snack foods, candy, baked goods, pet foods and other products.
A longitudinal study in Bangladesh showed dose-dependent incidence of skin lesions from chronic exposure to arsenic in drinking water, even at low levels of exposure.

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