Cotinine levels in blood are often used to measure exposure to tobacco smoke.

VOA: special.2009.01.13

"We can't affirm that exposure to pesticides is causing A.D.H.D.

VOA: special.2010.05.26

in children to exposure to some kinds of pesticides.

VOA: special.2010.05.26

So based on some early indications, scientists are projecting that we're actually going to be seeing a tsunami of brain cancer unless we do something to educate people to lower their exposure to this kind of risk."

VOA: special.2011.06.06

"We also carefully consider the sources of exposure of populations to radiofrequency electromagnetic fields, the nature of these fields as they come from various devices, including wireless phones, and we look carefully at the physical phenomenon by which exposure to such fields may perturb biological systems and lead to cancers."

VOA: special.2011.06.06

Miners and workers in chemical industries also are vulnerable because of their exposure to dust, harmful chemicals and fumes.

VOA: standard.2010.06.21

"We found that people with high exposure to second hand smoke had increased levels of depression and anxiety."

VOA: standard.2010.06.15

The most common cause of COPD is long-term smoking or years of exposure to second-hand smoke.

VOA: standard.2010.06.21

Indian Army Lieutenant General A.S.Sekhon says the Indian army is getting exposure to some new technologies.

VOA: standard.2009.10.26

"Exposure to tobacco smoke is a risk factor for cardiac disease already in adolescents, and that's why this study supports that children and adolescents need smoke-free environments."

VOA: standard.2010.03.04

She says this will be her next line of inquiry whether female hormones, such as estrogen, somehow protect young women from the neurological damage created by exposure to lead.

VOA: standard.2009.12.19

They also found that people exposed to second-hand smoke - like smokers - were more likely to be admitted to a hospital for a psychiatric illness than people without the exposure to tobacco smoke.

VOA: standard.2010.06.15

"BP is hugely important to the British economy in general and particularly to private interests and members of pension schemes, most of whom have got exposure to BP just simply due to the size as an institution."

VOA: standard.2010.06.18

But she says the research does show the need to study whether or not there are long-lasting effects of repeated exposure over several years.

VOA: special.2011.03.02