Tag: "smoke" at biology news

Pollution causes 40 percent of deaths worldwide, study finds

...ore than half are children. Air pollution from smoke and various chemicals kills 3 million people a year. In the United States alone about 3 million tons of toxic chemicals are released into the environment -- contributing to cancer, birth defects, immune system defects and many other serious health pr...

Smokeless tobacco more effective than cigarettes for delivering dangerous carcinogens into the body

...e body through the bloodstream, although cigarette smoke includes a host of carcinogenic products that arent a major factor in smokeless tobacco, Hecht said. The study participants included men and women aged 17 to 80 who had sought but had yet to begin treatment for tobacco addiction, and who used con...

New mechanism links smoking to lung damage

... opened. This allowed toxic molecules found in the smoke to flow directly into the cell, and vital metaboli...en these channels," Lal said. "Substances found in smoke and other pollutants can alter the electrical potential of the cells membrane. A small shift in the ...

Children of smokers have more than 5 times higher levels of a nicotine toxin

...ed when the body breaks down nicotine from inhaled smoke to get rid of it. Sleeping with parents and low...r ventilation or a greater tendency for parents to smoke indoors in winter. Sleeping with a parent is a know risk factor for cot death and the authors sug...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...oxicology Division. We have known that mothers who smoke can harm their fetuses, and here we show evidence ... of mature mice that had been exposed to cigarette smoke for either six or 12 weeks to look for alterations in a specific stretch of repeated portions of DNA...

ACS News Service Weekly PressPac -- May 16, 2007

...ckening of the past, they note, is from EC in coal smoke released since the late 13th Century. Air pollution control efforts are reducing the amount of sulfur dioxide from coal, with increased OC emissions from motor vehicle exhaust. With less sulfur dioxide (toxic to microorganisms) and more OC, microbe...

Book explores history, causes of allergy and asthma epidemic

...posure to dust mites and mold, second-hand tobacco smoke and other indoor allergens," he says. Mitman well appreciates this exquisite irony. However, real relief from the allergy/asthma conundrum can come only from a sea change in our approach to the problem, he says. "Allergies are not things, like ba...

Study confirms the risk of exposure to secondhand tobacco smoke outdoors

...the health risks associated with indoor secondhand smoke are well documented, little research has been done...essed the opinion that exposure to outdoor tobacco smoke is insignificant, because it dissipates quickly into the air," said Neil Klepeis, assistant professo...

Prenatal nicotine exposure can lead to cardiac function reprogramming in adult offspring

...ASHINGTON -- At least 11 percent of American women smoke during pregnancy. The negative effects of nicotine exposure to their fetuses and newborns are significant. A 2004 report by the Surgeon General, for example, found that women who smoked during pregnancy had children who were at a three times higher ...

Penn leads $4 million grant to study gene-environment interactions in lung cancer

...cent of all lung cancer is seen in individuals who smoke cigarettes, yet only ten-percent of those who smoke will succumb to the disease. These statistics suggest that a significant gene-environment interactio...

FSU researcher's award will fund study into cardiovascular grafts

...rating blood vessels damaged by secondhand tobacco smoke has received a fellowship award that could provide...wide and the cardiovascular effects of secondhand smoke are nearly as large as those of smoking," Zhao said. "Secondhand smoke increases the risk of coronar...

NYUCD study links tooth decay and gum infections to ethnicity and country of origin

... whose oral health is already at risk because they smoke or suffer from systemic health conditions, such as diabetes, that are known to contribute to oral infections. "My future research will aim to identify which specific factors are behind individual ethnic differences," said Dr. Cruz, "so that preven...

Race affects tobacco absorption in children

...bacco toxins associated with environmental tobacco smoke (ETS). The study, published in the March issue of ...ental bias by actively measuring levels of tobacco smoke in the home. Each study participant had a nicotine dosimeter placed in his or her home at baseline a...

Carnegie Mellon researchers urge regulators to rethink strategies for soot emission

... of measuring and regulating the fine particles of smoke and soot so endemic to serious health problems and...gulators," Robinson said. Fine particles such as smoke or dust form droplets in clouds and affect how much sun is able to pass through the cloud to earth, ...

JCI table of contents -- March 1, 2007

...o prevent lung damage Air pollution and tobacco smoke contain oxidants that when inhaled can cause damage to the lungs and contribute to diseases such as asthma and chronic obstructive pulmonary disease (COPD). In a study that appears in the March issue of the Journal of Clinical Investigation, research...

Cells in the lung clear the air to prevent lung damage

Air pollution and tobacco smoke contain oxidants that when inhaled can cause damage to the lungs and contribute to diseases such as asthma and chronic obstructive pulmonary disease (COPD). In a study that appears in the March issue of the Journal of Clinical Investigation, research...

The insides of clouds may be the key to climate change

... That's because aerosols, fine particles such as smoke and dust that form droplets in clouds and change cloud thickness, affect how much sun is able to pass through the cloud to Earth, as well as the amount of moisture that's returned to Earth. Both moisture and sunlight play significant roles in climate...

Neuroscientist Robert Sapolsky will discuss stress, health, Feb. 17 at AAAS meeting

...mons and other religious people are less likely to smoke and drink, he noted. "But once you control for that, religiosity in and of itself is good for your health in some ways, although less than some of its advocates would have you believe," Sapolsky said. "It infuriates me, because I'm an atheist, so it ...

Studies identify DNA regions linked to nicotine dependence

...the last month. More than half of the people who smoke at least five packs in their lives 100 cigarettes...tine dependent. But about 15 percent of people who smoke that amount won't develop any symptoms of nicotine dependence. "These people can give up smoking at ...

Protein sensor for fatty acid buildup in mitochondria

Just as homes have smoke detectors, cells have an enzyme that responds to a buildup of fatty acids by triggering the production of a key molecule in the biochemical pathway that breaks down these fatty acids, according to investigators at St. Jude Children's Research Hospita...

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(Date:4/17/2014)... CHAMPAIGN, Ill. A drug under clinical trials to ... of broad-spectrum drugs that act against various bacteria, fungal ... study by University of Illinois chemists and collaborators. , ... the team determined the different ways the drug SQ109 ... tweaked to target other pathogens from yeast to malaria ...
(Date:4/17/2014)... NY, April 17, 2014The development of stem cell therapies ... ability to characterize stem cell populations based on cell ... discovered a new marker that is highly expressed in ... cord blood, which they describe in an article in ... Mary Ann Liebert, Inc., publishers. The article is available ...
(Date:4/17/2014)... Gauthier and Professor Luca Razzari of the nergie ... large grants from the John R. Evans Leaders ... for the acquisition of state-of-the-art biotech and nanophotonics ... grants from the Ministre de l,Enseignement suprieur, de ... Technologie (MESRST). These new laboratories will help us ...
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