Tag: "cigarette" at biology news

New risks for bladder cancer identified by MIT team

...te. The newly discovered carcinogens are found in cigarette smoke, which is already known to be a major cause of bladder cancer, contributing to at least 50 percent of the approximately 60,000 cases in the United States every year. All three of the new carcinogens, however, were also found to be risk factors...

Gene found to defend against environmental pollutants and pulmonary emphysema

...ed in response to environmental pollutants such as cigarette smoke, and then turns on numerous antioxidant and ...osure to environmental agents. By exposing mice to cigarette smoke, the researchers were able to learn which gene controlled this natural defense mechanism. The ...

Gene that blocks free radical damage protects against emphysema

...th in the United States. This disease is primarily cigarette smoke induced, but oxidative stress, a harmful con...o play an important role in lung susceptibility to cigarette smoke-induced damage. To investigate the impact of oxidative stress on emphysema development, Shyam ...

JCI table of contents November 1, 2004

...th in the United States. This disease is primarily cigarette smoke induced, but oxidative stress, a harmful con...o play an important role in lung susceptibility to cigarette smoke-induced damage. To investigate the impact of oxidative stress on emphysema development, Shyam ...

November nutrition news from the Friedman School of Nutrition Science and Policy at Tufts

...d by environmental factors--such as air pollution, cigarette smoking, and pesticides. Antioxidants, found in many fruits and vegetables, prevent further damage in the cell by quenching these free radicals. Taylor and his colleagues are currently examining ways in which nutrients, such as antioxidants, might be...

'Lighter than air' breathing more than doubles COPD patients' exercise endurance

...t 2,740,000 people died of COPD worldwide in 2000; cigarette smoking is blamed for about 85% of cases. According to the National Heart, Lung, and Blood Institute (NHLBI), COPD is the fourth leading cause of death in the U.S. and is projected to rise to third place for both men and women by the year 2020. NH...

Cigarette smoke a culprit in poor healing and increased scarring

...exit perfectly. Nothing messes up this timing like cigarette smoke. Clinical studies have consistently shown that individuals exposed to cigarette smoke whether "first-" or "second-hand" heal poorly and are more likely to develop scarring and ass...

Cigarette smoking exacerbates alcohol-induced brain damage

...e research has examined the independent effects of cigarette smoking or its potentially compounding effects on ...: Clinical & Experimental Research has found that cigarette smoking can both exacerbate alcohol-induced damage as well as independently cause brain damage. "Whi...

US government list of cancer-causing agents grows

...gh temperatures. These compounds are also found in cigarette smoke. They are listed in the report as "reasonably anticipated to be human carcinogens" because oral studies in animals showed they caused cancer in multiple organs including the forestomach, colon, liver, oral cavity, mammary gland, skin, and cecum...

UC researchers discover gene that causes heavy metal poisoning

...ts, lung cancer and testicular cancer--is found in cigarette smoke, some shellfish and seafood, soil and some plants. It is known to damage the human central nervous system, the kidneys, lungs and developing embryos. The UC researchers, studying low doses of cadmium in mice, found that the gene Slc39a8 works t...

Green tea extract shows promise as an anti-cancer agent, UCLA study finds

... all bladder cancers are believed to be related to cigarette smoking. Without a reliable, non-invasive way to diagnose the disease, bladder cancer can be difficult to detect in the early, most treatable stages. When not found early, the tumors can be aggressive, and more than half of patients with advanced can...

NYU and MSKCC research provides model for understanding chemically induced cancer initiation

...ltered by a known cancer-causing chemical found in cigarette smoke. This finding may open new horizons for unde...ns, including those that are primary components of cigarette smoke, are known to damage DNA. This damage occurs at special positions of the p53 gene, called muta...

SERPINE2 identified as novel candidate gene for COPD, especially with smoking

...al loss of lung function. Strongly associated with cigarette smoking, COPD is the only disease among the top 10 causes of death in the U.S. with an increasing rate of newly diagnosed cases. Already the fourth leading cause of death in the U.S., some believe it could be the leading cause of death worldwide by ...

Vitamin E loss through smoking increases health risks

... of defense against the free radicals generated by cigarette smoke." It has been known for some time that cigarette smoking reduced blood levels of vitamin C, Traber said, but the data were less clear on vitamin E i...

Cigarette smoke exacerbates alcohol's effects on defense against Streptococcus pneumoniae

...of infections, including pneumonia. Alcoholics and cigarette smokers are particularly susceptible to pulmonary ...is media) and sinuses (sinusitis). Alcoholics and cigarette smokers are particularly susceptible to pulmonary infections caused by S. pneumoniae . A rodent st...

Study is first to show side-stream smoking is as damaging to IVF success as being a smoker

...e-stream smoking smoke given off by a smouldering cigarette [2] - is just as damaging. In a study of women un... by a prospective study with objective measures of cigarette smoke exposure, which would also test for possible dose-related effects, though none were identified...

Marshfield Clinic researchers launch study of environmental causes of Alzheimer's disease

...ell. Two specific potentially protecting factors - cigarette smoking and use of cholesterol-lowering drugs called statins - will be considered in this study. "There are controversial findings in previous studies on smoking," Ghebranious said. "Some earlier research has suggested nicotine decreases the brain pl...

Nicotine triggers the same brain reward circuitry as opiates

...cal studies of opioid receptor blockers to relieve cigarette cravings "so far have produced mixed results, ranging from ineffectiveness at smoking cessation to mild reduction in the desire to smoke." The researchers wrote that their findings "suggest that the timing and context of opioid receptor antagonist ad...

Brain scan study of smokers reveals signature of craving

...that nicotine is the primary agent responsible for cigarette addiction, recent evidence suggests that condition...to find out which brain regions may be involved in cigarette craving," said Jed Rose, Ph.D., director of the Duke Center for Nicotine and Smoking Cessation Resea...

Cigarette smoke reduces transport of hamster eggs

... when the eggs or the oviduct have been exposed to cigarette smoke, and this could result in disruption of fert...eseke and Prue Talbot report that various types of cigarette smoke cause freshly ovulated hamster eggs, enveloped in a layer of cumulus cells, to stick to the up...

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(Date:5/16/2013)... African-American adults living closer to a fast food ... those who lived further away from fast food, according ... Cancer Center, and this association was particularly strong among ... study published online in the American Journal of ... proximity to a fast food restaurant, and among lower-income ...
(Date:5/16/2013)... involved in neurodegenerative disease also plays a critical role ... , In a study of the common fruit fly, ... clock responsible for sleeping and waking on a 24-hour ... fly,s sleep-wake cycle is disturbed, making waking up on ... The discovery is particularly interesting because mutations in the ...
(Date:5/16/2013)... layer lining the body,s blood vessels, is extremely ... thickness, this super-tenuous structure routinely withstands blood flow, ... a unique and highly dynamic barrier that maintains ... body,s circulatory system. , It,s also extremely adaptable. ... breached to enable immune cells to reach ...
Breaking Biology News(10 mins):Body mass index of low income African-Americans linked to proximity of fast food restaurants 2Body mass index of low income African-Americans linked to proximity of fast food restaurants 3Gene involved in neurodegeneration keeps clock running 2Endothelium, heal thyself 2Endothelium, heal thyself 3Endothelium, heal thyself 4
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