Tag: "smoke" at biology news
Current smoke alarms pass life-saving tests
...ted that both types of commercially available home smoke
alarms (also called smoke
"detectors") consistently provide people enough time to escape most residential fires. It stressed t...
Cancer health risk significantly underestimated by EPA's ambient model estimates
...r sources can be controlled. Environmental tobacco smoke
is the greatest culprit but other more subtle contributors, such as cleaning solvents and air fresheners, add up to represent a sizeable fraction of the risk. We need to do a better job of getting the word out about the importance of indoor sources a...
Prenatal exposure to second-handsmoke greater for disadvantaged children, study finds
The effects of prenatal exposure to second-hand smoke
on mental development are exacerbated in children ...lts indicate that prenatal exposure to second-hand smoke
can be harmful to the unborn child regardless of socioeconomic conditions, the data also suggest tha...
Study shows benefits to newborns from federal ban on insecticides
...le to the differences between babies whose mothers smoke
during pregnancy and babies whose mothers don't," said Whyatt. "The fact that the ban was associated with such an immediate change in birth weight and length provides considerable evidence of cause and effect." According to the study investigators...
Fox Chase Cancer Center researchers identify significant smoking-induced genetic alteration
...sm could help researchers understand why women who smoke
are more susceptible to lung cancer. These findin...ced genetic alterations in mice exposed to tobacco smoke
compared to unexposed controls. The most notable finding was the 13-fold overexpression of the enzy...
Why passive smoking hinders healing
Being exposed to high levels of 'second-hand' smoke
can reduce the speed at which wounds heal, leading..., Riverside, examined the effects of 'second-hand' smoke
on fibroblasts, cells that play a major role in wound healing. They found that, among other things, ...
Comprehensive study: We know little about environmental effects on kids
...ntal agents such as lead, mercury, pesticides, and smoke
makes clear how little is known about how environmental factors affect children. The 200-page supplement, sponsored by the Environmental Protection Agency, is the most comprehensive, authoritative publication ever produced regarding ways that envir...
UCR study says second-hand smoke affects healing
... Riverside have found that breathing "second-hand" smoke
reduces the speed at which wounds heal, leading to...ent Lina Wong, examined the effects of second-hand smoke
on fibroblasts, cells that play a major role in wound healing. The UC Riverside research team also i...
Prenatal nicotine primes adolescent brain for addiction
...hat such maternal smoking leaves children prone to smoke
as adolescents, regardless of whether the parental smoking continues during childhood. That research was performed by researchers including Denise Kandel, Ph.D., of Columbia University, Marie Cornelius, Ph.D., of the University of Pittsburgh and Raym...
New research outlines public health consequences
...sponse to ambient air pollutants such as cigarette smoke
and automobile exhaust. This condition was observed in 23 percent of those with a high level of smoke
exposure, and in 8 percent of those with moderate exposure. "We believe the high alkalinity of the d...
Cutting back on cigarettes: when less is more
... cigarette use by half quickly change the way they smoke
to compensate for less exposure ironically, in th... exposure to hundreds of toxins and carcinogens in smoke
while cotinine, a metabolite of nicotine, reveals how much nicotine has been absorbed over time. The...
Genes appear to play a role in development of chronic obstructive pulmonary disease
...opment of airways obstruction in some patients who smoke
cigarettes. "We found a significant association between sequence variations in the MSR-1 gene and the presence of airways obstruction in smokers that may account for some of the variability in the development of COPD," said Ohar. "This finding may he...
Why lung cancer in women is different from men
...affects men and women so differently. "Cigarette smoke
damages women's lungs more than men's lungs and lung cancer treatment affects women differently than men," said Albain, director, Breast Research Program; co-director of the multidisciplinary Breast Oncology Center; and director of the Thoracic Oncol...
Protein engineered to detect nerve gas
... incorporated into detectors, which might resemble smoke
detectors and could be widely deployed as early-warning alarms, weapons monitors or in the decontamination process after an attack. The detector could not only warn of the presence of the nerve agent, but act as a continuous monitor of its levels. Le...
New York City study shows newborns more susceptible to pollution than their mothers
...NA, and cotinine, a measure of second-hand tobacco smoke
exposure, since the mothers were all nonsmokers. Previous research has shown an association between DNA adducts and increased cancer risk. Despite the estimated 10-fold lower dose of the pollutants to the fetus as compared to the mother, the research...
Natural selection at work in genetic variation to taste
...d influences what people eat and even whether they smoke
cigarettes. People who can taste PTC are less like...vantage of dissuading them from inhaling the acrid smoke
of cigarettes. "Among smokers, there seems to be an excess of PTC non-tasters," Wooding said. "So it...
Study supports association between HPV infection and head and neck cancer
...actor, but an interaction with exposure to tobacco smoke
can not be excluded. The mechanism by which HPV might cause HNSCC is not known. To find a possible mechanism of HPV carcinogenesis, Boudewijn J. M. Braakhuis, Ph.D., of the VU University Medical Center in Amsterdam, Netherlands, and colleagues looked...
New 20-year study links COPD and asthma
..., minimizing exposure to risk factors like tobacco smoke
and air pollution may delay disease progression to COPD. Effective antiinflammatory therapy at the onset of asthma may also decrease the likelihood of COPD developing years later," added article coauthor Robert A. Barbee, MD, FCCP, University of Ari...
Wildland fires: After the smoke clears
...uctive, some of the biggest dangers come after the smoke
clears. Scorched land is vulnerable to a number of threats, including landslides; erosion and sedimentation that can impact water quality; and invasive weeds that can fuel future fires. Come hear how the U.S. Geological Survey (USGS) and its partne...
Alcohol-use and depression among pregnant and postpartum women
...ho experience depressive symptoms, binge drink, or smoke
at any point during their pregnancy may be at risk...t women who experience depression, binge drink, or smoke
at any point during their pregnancy may be at risk for depression and alcohol use during their fir...
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