Tag: "cigarette" at biology news
Therapeutic role found for carbon monoxide
...O (in a modest concentration, equivalent to what a cigarette
smoker might inhale) of one hour per day. As predicted, their results showed that the gas did indeed reverse PAH in the animals, resulting in the restoration of both normal pressures and heart weights (indicative of reversal of imminent heart failure...
Brains can recover from alcoholic damage but patients should stop drinking as soon as possible
...ondary alcohol-induced disorders, as well as heavy cigarette
smokers (more than 10 cigarettes a day), were excluded. Ten healthy volunteers (six men, four women), matched for age and gender, were recruited as controls for the study. The data were analysed and evaluated using FSL, a sophisticated software packa...
High HPV concentrations combined with smoking significantly raise risks of cervical cancer
... any event, confirmation of an interaction between cigarette
smoking and HPV in cervical cancer development is ...nsidering the widespread exposure to the virus and cigarette
smoking in young women at risk for the disease, he said. Cervical cancer is one of the leading cau...
Successful lung cancer surgery not enough to break nicotine dependence in many smokers
...gery to remove early stage lung cancer picked up a cigarette
again within 12 months of their potentially curat...able to hold out the longest before they took up a cigarette
after surgery were the ones who were most likely not to be smoking in a year’s time. "The results...
A new target for painkillers
...the family of receptors activated by nicotine from cigarette
smoking. Alpha9alpha10 nicotinic receptors are found in a variety of body tissues, including white blood cells and the dorsal root ganglia ?a group of nerve cells near the spine and involved in pain transmission. The new study showed alpha9alph...
Key to lung cancer chemo resistance revealed
...y protect cells from environmental pollutants like cigarette
smoke and diesel exhaust by absorbing the materials and pumping them out of the cell. Another gene called KEAP1 encodes products that stop this cleansing process. But lung cancer cells sabotage the expression of these same genes to block assault fr...
Hopkins researchers discover how brain protein might control memory
...m memories that are better forgotten, such as that cigarette
craving while sitting in a bar, a better understanding of how these memories form promises hope that there might be a way in the future to forget them entirely. ...
Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes
...ytes were donated by other women demonstrates that cigarette
smoking negatively affects the receptiveness of the uterus independently of its effect on ovarian function, and this is a new finding." Although the pregnancy rate was much lower in heavy smokers, for those that did become pregnant the multiple p...
The effects of smoking on fractures and ligament injuries
...s have shown that the numerous toxins contained in cigarette
smoke can undermine fracture and ligament repair f...divided into a smoking group, which was exposed to cigarette
smoke 6 days per week for a month, and a control group. Surgery was performed on all the mice to ach...
Lungs try to repair damaged elastic fibers
...develops as a result of exposure to toxins such as cigarette
smoke, resulting in inflammation to the small airways and destruction of elastic fibers within alveoli. The patients suffered from emphysema. The team used hyperpolarized magnetic resonance imaging (MRI) to characterize the regions of the lung sho...
Quitting smoking reduces risk of lung cancer mortality by 70 percent
...esearch from the Asia-Pacific region confirms that cigarette
smoking substantially increases the risk of dying ...mportantly highlights the continuing popularity of cigarette
smoking across large parts of Asia, including China, where the harmful effects of smoking are still ...
Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent
..., found that increases in smoke nicotine yield per cigarette
averaged 1.6 percent each year, or about 11 percen... four major manufacturers and across all the major cigarette
market categories (e.g. mentholated, non-mentholated, full-flavor, light, ultralight). Find...
New cigarette designs don't offer lower predicted cancer risks
The tobacco company's description of its new cigarette
brand seems to promise a lot. "May present less ri...e decided not to quit, but who are interested in a cigarette
that responds to concerns about certain smoking-related illnesses, including cancer." Another tobacc...
Smoking ban dramatically reduces air pollution in Irish pubs
...ed as a marker for carcinogenic substances because cigarette
smoke is a well-known source. They noted that there was an 80.2 percent reduction in benzene concentrations in pubs after the ban, having already established the ambient outdoor levels for benzene in Dublin. Among the bar staff, pulmonary function...
Mailman School of Public Health researchers report blood DNA can be early predictor of liver cancer
...inants; and 4-aminobiphenyl, a carcinogen found in cigarette
smoke, are also associated with the development of HCC. While HCC incidence is highest in East Asia and Sub-Saharan Africa, it is also increasing in the U.S primarily as a result of HCV infection. “We are not only very excited about what this me...
Premature births may be linked to seasonal levels of pesticides and nitrates in surface water
...l age, race, education, marital status, alcohol or cigarette
use, or whether the mother was an urban, suburban or rural resident. Pesticide and nitrate levels in surface water were also highest in May-June and lowest in August –September, according to the U.S. Geological Survey. For the past four years, Dr...
Smoking rate has plummeted in New York City
...002; the time is right for another increase in the cigarette
Children of smokers have more than 5 times higher levels of a nicotine toxin
...say: ‘Babies and children are routinely exposed to cigarette
smoking by their carers in their homes, without the legislative protection available to adults in public places.’ But they acknowledge that there are practical difficulties in preventing smoking in private homes because it relies on parents or ca...
Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring
...stem cells 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, called Ms6-hm, which does not contain any known genes. The “smoking” mice were exposed to two cigarettes per day, the equivalent – based on bl...