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 ?
Epidemiological studies suggest positive associations between chronic exposures to Pb, As and hypertension (20, 21).
They conclude: 'Taken together, these results suggest that chronic exposure to aircraft noise is associated with school performance in reading and mathematics.
more scrutiny of the long-term health consequences of chronic exposure.
Some reports indicate that chronic exposure to microcystin can result in liver damage in adults, but little information is available for children.
Fire Smoke Coalition brings national fire service experts to Indiana for classroom and hands-on training to teach firefighters how to prevent and treat acute and chronic exposure to toxic fire smoke
Lutein supplementation for 12 weeks improves vision in a group of people with chronic exposure to computer-display light.
Chronic exposure to diesel particles appears to impair the immune system's function more than intermittent, acute exposures do, the researchers conclude in the February Toxicological Sciences.
It is also exciting because the discovery opens new avenues of research into other very common skin conditions such as the physical changes, including fine lines and wrinkles, which occur in normal skin ageing or chronic exposure to the sun.
Chronic exposure to crystalline silica dusts can impair pulmonary removal of particulates, resulting in silicosis.
Studies involving pregnant mice and rats have linked chronic exposure to nicotine with hyperactive offspring, they said.
Barrett's esophagus occurs when chronic exposure to acid from the stomach causes the cells lining the esophagus to break down and undergo genetic changes that can set the stage for cancer.
The study led by researchers from Lawrence Berkeley National Laboratory also found that chronic exposure is worse than acute exposure, with the chemical compounds in samples exposed to chronic thirdhand smoke existing in higher concentrations and causing more DNA damage than samples exposed to acute thirdhand smoke, suggesting that the residue becomes more harmful over time.

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