Sentences with phrase «cumulative exposure over»

Because the disease is likely tied to cumulative exposure over time, Dr. Nghiem says, it's important for everyone to protect themselves from the sun's harmful UV rays.

Not exact matches

The final chart compares gross cumulative values of $ 1 initial investments in SACEVS Best Value using either either SPY or Top 1 for equity exposure over the available sample period (14 years).
They also tracked Apolipoprotein E (APOE 4), a well - known genetic risk factor for Alzheimer's, as well as lifetime cumulative exposure to unhealthy levels of PM2.5 — particles which are at least 30 times smaller than the diameter of a human hair and frequently cause the haze over urban areas.
Such a standard would be based on a cumulative, weighted total of daily 12 - hour ozone exposures to plants and crops over a three - month period.
«The premenopausal breast is highly sensitive to radiation, each 1 rad exposure [per mammogram] increasing breast cancer risk by about 1 percent, with a cumulative 10 percent increased risk for each breast over a decade's screening.»
«The premenopausal breast is highly sensitive to radiation, each 1 rad exposure increasing breast cancer risk by about 1 percent, with a cumulative 10 percent increased risk for each breast over a decade's screening...»
But this study suggests that repeated exposures to elevated ozone levels over time have cumulative effects on respiratory health.»
In conclusion, if this Mt Bodangora Wind Development is approved, it is inevitable that it will have a serious adverse effect on the health of the surrounding population out to at least 10 km, and may even drive some families, including wind turbine hosts, out of their homes over the life of the project, because of the cumulative effects of chronic exposure to ILFN.
Over time, this exposure is cumulative and helps drive return visits and another chance at converting them.
I guess children who have a number of risk factors, and particularly if those are either severe or sustained over time, are much more at risk of poor developmental outcomes than those children who might have exposure to one or two risks, which are either short or intermittent, but there's not that sense of cumulative risk.
These results are consistent with the conclusion that reckless driving in movies directly impacted adolescent future reckless driving practices, whereas frequent overall screen exposure may have stimulated reckless driving through exposure to a variety of other risk - taking behaviors such as excessive drinking, movie violence and their cumulative impact on sensation seeking tendencies [35], [62] Previous research indicates that adolescents who frequently watch R - rated movies, rated such for portraying higher levels of risk taking behavior and violence [35] show increases in sensation seeking over time [63].
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