Tag: "smoke" at biology news

The area where carcinogens settle may be a key factor in developing lung cancer

...rticles the size of those emanating from cigarette smoke and toxic aerosols interact with our pulmonary sur...particles with absorbed carcinogens from cigarette smoke at the airway's carinas -- the ridge separating the openings of the right and left main bronchi at ...

Cigarette smoke linked to low folate levels

Exposure to cigarette smoke may rob people of folate, an important vitamin tha...ers and those exposed to high levels of secondhand smoke had lower levels of folate in their blood than nonsmokers, according to the report in the journal Ni...

ORNL wins four R&D 100 awards, pushing total to 116

...imaging. It also can help firefighters see through smoke and has particularly important uses in the commercial and military sectors, because infrared radiation is the second-most intense source of radiation in our environment....

Two genes may interact to increase risk of lung cancer in smokers

...hway, exposure to carcinogens present in cigarette smoke and resultant lung cancer risk. Cancer is caused when damage in cells results in unregulated cellular growth. When DNA repair genes (whose job is to ensure that genetic information is accurately copied when cells divide) are damaged or mutated, they ...

OHSU researcher publishes first measurements of 'free-base' nicotine in cigarette smoke

...continued, "free-base nicotine levels in cigarette smoke thus are at the heart of the controversy regarding...tine levels. In the new study, Pankow analyzed the smoke of popular cigarette brands under controlled conditions to measure what percentage of the nicotine i...

Hydrothermal vent systems could have persisted millions of years, incubated life

...smokers get their name because it can appear as if smoke is billowing from the vents. What's actually being seen are dark minerals precipitating when scalding hot vent waters meet the icy-cold ocean depths. Water venting at Lost City, in comparison, is hot enough to shimmer but not "smoke." Because of the ...

Fears of second-hand smoke confirmed

July 29, 2003 -- Bethesda, MD -- Cigarette smoke is the major cause of pulmonary emphysema. This di...he amount of cigarette smoking. But why cigarette smoke leads to this disease is still open to speculation. Now, a team of researchers from Italy has found...

Envisat focuses on carbon-rich peat swamp forest fires

...d Synthetic Aperture Radar (ASAR) could pierce the smoke clouds to provide high-resolution fire impact asse... large scale fire scar mapping as well as identify smoke plumes whose sources could then be spotted by the Advanced Along Track Scanning Radiometer (AATSR), ...

New blood test uncovers individual risk for lung cancer

...ut 20,000 times a day by factors such as sunlight, smoke and reactions within the body. If left unrepaired, damages to the DNA can lead to cancer. Fortunately the body has a stock of enzymes whose function is to repair DNA. These enzymes scan the DNA and detect damage using sophisticated sensor systems. Up...

Trade Center debris pile was a chemical factory, says new study

... still the most extensive analysis of the dust and smoke from the hot collapse piles after the trade center collapse. In the 2002 report, DELTA researchers described their analysis of over 8,000 air samples collected Oct. 2-30, 2001, on a rooftop at 201 Varick St., one mile north-northeast of the trade ce...

New technology helps fire managers anticipate smoke problems

...all need accurate and timely information regarding smoke and visibility when fires burn. BlueSkyRAINS is a ...about 100 wildfires in the Western States. "When smoke is generated from a wildland fire, BlueSkyRAINS helps people to determine where the smoke will go an...

UGA scientist to study effect of air quality on unborn babies

...s with little ventilation. "The indoor environment smoke exposure generated from these stoves is orders of magnitude higher than levels typically seen in U.S. homes," he said. Naeher hopes the study will lead to simple economical and cultural changes that can reduce air pollution and protect the population...

Real-time 'movies' will predict wildfire behavior for one hour

...ngful to the fire fighters."Coen's model can track smoke and hot gases in the atmosphere," he says. "We need to translate that into what a fire looks like by using computer animation. It fits very well into what we've been doing in the FIRES project." Vodacek's team will create synthetic scenes of fires t...

NIEHS-funded researchers find low-level ozone increases respiratory risk of asthmatic children

...ine particulate matter, which includes dust, dirt, smoke and soot from a variety of natural and man-made sources, can significantly aggravate asthma symptoms. Repeated exposures to ozone and fine particles at or above the federal standards can irritate or damage sensitive tissue in the airways and lungs...

NIH funds 'Breast Cancer and the Environmental Research Center' at Fox Chase Cancer Center

...covery that most lung cancer was caused by tobacco smoke gave us a way to prevent that cancer. Similarly, the banning of certain industrial chemicals has helped prevent bladder and other cancers. If we can also find environmental causes for breast cancer, we will be on our way to preventing many of these...

Physician experts available to speak on California fires and smoke inhalation

... discuss the short and long-term health effects of smoke inhalation on residents and firefighters, and what people should do to protect themselves. WHO : The following respiratory experts are available for interview: New York, NY David J. Prezant, MD, FCCP Deputy Chief, Medical Offices, New York Fire De...

Nicotine exposure in aging hearts

Bethesda, MD Large numbers of Americans still smoke cigarettes or use over-the-counter nicotine products such as patches and gums to satisfy their craving for nicotine. However, serious and sometime fatal cases of atrial fibrillation (AF) have been reported in patients who use a nicotine product. This...

Scientists announce long-sought mouse model of human pancreatic cancer

...e for various reasons: carcinogens such as tobacco smoke (smoking is a risk factor for pancreatic cancer), possibly dietary components and advancing age (mistakes in the DNA code of genes pile up and the body's DNA repair mechanisms fail to keep pace). Several particular mutations have been identified in t...

Ancient DNA mutations permitted humans to adapt to colder climates, UCI researchers find

...ygen radicals, the mitochondrial equivalent to the smoke generated by coal-burning power plants. Oxygen radicals damage the mitochondria, mtDNA and the surrounding cell. Eventually oxygen radicals can cause the cell to die when sufficient oxidative damage accumulates in the mitochondria and the cell. ...

Research news from Tufts University, Friedman School of Nutrition Science and Policy: February 2004

...le is to stop smoking but those who do continue to smoke put themselves at high risk if using high doses of beta-carotene." Beta-carotene is still promising as an anti-cancer nutrient, but the protective dose seems to be best obtained from dietary sources such as fruits and vegetables at natural levels. "...

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(Date:4/23/2014)... Ritalin, may prevent the depletion of self-control, according to ... of the Association for Psychological Science. , Self-control can ... to focus attention on a boring textbook are hard ... for this difficulty: Exerting self-control for a long period ... on subsequent tasks. , "It is as if self-control ...
(Date:4/22/2014)... New Jersey Institute of Technology (NJIT) today to ... launch of the New Jersey Innovation Institute (NJII), ... for business innovation through the leveraging of industry, ... Senator Cory Booker, Panasonic Corp. of North America ... Governor Kim Guadagno, New Jersey Secretary of Higher ...
(Date:4/22/2014)... DALLAS April 22, 2014 Researchers at UT ... people suffering from depression . , A ... major mechanism by which ghrelin (a hormone with natural ... identified a potentially powerful new treatment for depression in ... , The study, published online in April,s ...
(Date:4/22/2014)... Washington, DC (April 22, 2014) The International ... May 22-26 in Seattle, Washington. The theme of ... life" means in a networked and digital society. ... and attended by over 2,200 Communication scholars representing ... largest scholarly international communication conference in the world. ...
(Date:4/22/2014)... 2014. The latest scientific advances and emerging therapies in ... the main annual meeting of the Heart Failure Association ... will also hear breaking news on acute heart failure ... which is part of the main congress. , The ... at the Megaron Athens International Conference Centre (MAICC). The ...
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