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Tag: "smoking" at biology news

Microbes under Greenland Ice may be preview of what scientists find under Mars' surface

...said. "I think everyone would agree that this is a smoking gun." Biologists at Pennsylvania State University had earlier analyzed ice several meters above bedrock that was dark gray in appearance because of its high silt content, and identified dozens of types of both aerobic (oxygen-loving) and anaerobic (...

Lethal needle blight epidemic may be related to climate change

...ipitation over the past decade. That constituted a smoking gun, because D. septosporum's life cycle depends on summer moisture for spore distribution. The increase in precipitation had no clear link to a known climatic oscillation that might have explained it, and the authors conclude that it is most likely...

Zebrafish may hold key to improved cancer research

...living activities, ranging from preserved foods to smoking and use of wood stoves. University researchers have also been active in studies on dioxin and PCBs, both concerns in the process of carcinogenesis. "With zebrafish as a model we should be able to better determine what types and levels of environment...

Smoking damages key regulatory enzyme in the lung

..., anesthetic and addictive drugs. "The effects of smoking on human health are enormous; yet, little is known about the pharmacologic effects of smoking on the human body apart from the effects of nicotine," noted Joanna S. Fowler, Ph.D., program direct...

Many smokers fail to quit after cancer diagnosis

... despite a growing body of evidence that continued smoking after a cancer diagnosis has substantial adverse e...iewed journal of the American Cancer Society, says smoking cessation is an underutilized tool in cancer management and that healthcare providers often fail to ...

Prescription pain patch abuse blamed for increase in deaths

... amount at once, either by injecting, ingesting or smoking it. In some cases, the deceased sought a state of euphoria by applying multiple patches simultaneously. It is not always clear from the law enforcement records where people who overdosed obtained the drug, whether from a prescription of their own o...

Forsyth scientists find three bacteria associated with oral cancer

...findings when they controlled for gender, age, and smoking history. According to Mager, "Those results led us to hypothesize that the three species could serve as diagnostic indicators for OSCC. And, in fact, we found that elevated salivary counts of the three bacteria correctly identified 80% of individual...

Naturally occurring asbestos linked to lung cancer

...it was no real surprise to scientists when passive smoking was found to cause lung cancer. "Like smoking, exposure to asbestos appears to be very dose-dependent," Beckett said. "Day-in, day-out occupational exposures are more dangerous than intermittent exposures in the community. But the more you can do to ...

Beauty queens urge girls not to sacrifice their bones

...in lifestyle activities, such as eating disorders, smoking and excessive alcohol consumption, can be detrimental to bone health. The "IOF Beauties and the Bones" event is part of the lead-in to World Osteoporosis Day 2005, celebrated worldwide on October 20, which this year features the theme "Move it or Lo...

Nicotine triggers the same brain reward circuitry as opiates

...ced mixed results, ranging from ineffectiveness at smoking cessation to mild reduction in the desire to smoke...oid antagonists just prior to cues associated with smoking could lead to a more promising treatment regimen." ...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...e potential to counteract some negative impacts of smoking in unborn babies. The research may benefit thousan...dous public awareness campaign aimed at preventing smoking during pregnancy. While this research finding may assist the babies of these mothers, it does not ma...

Male Combat Veterans Rank High In Heart Disease Risk

...ervings of beer, wine or hard liquor a week. Heavy smoking was determined by calculating the subjects' pack-years smoked (the number of years smoking multiplied by the number of packs smoked per day) and dividing the results into quartiles. The resea...

Any exposure to tobacco smoke during pregnancy is risky

...pational health, reports that both active maternal smoking and secondary maternal exposure result in similarl...stinguishable. "This analysis shows not only that smoking during pregnancy causes genetic damage in the developing fetus that can be detected at birth, but al...

Brain Scan Study of Smokers Reveals Signature of Craving

...ter viewing smoking-related images, such as others smoking or a pack of cigarettes. Smokers who noted fewer ...among smokers in brain responses that underlie the smoking habit, the researchers said. What's more, they added, such brain scans may yield diagnostic tests fo...

Research shows smoking adds a decade to reproductive age of IVF patients

A major new Dutch study has found that smoking adds the equivalent of ten years to a 20-year-old ...sly damages their chances. The harmful effects of smoking or being overweight were strongest among those women who had no obvious cause for not conceiving, ac...

Antiretroviral therapy may prevent excess risk of some cancers in people with HIV

...ays to encourage persons infected with HIV to quit smoking would be effective in reducing lung cancer in these persons." In an editorial, Eric A. Engels, M.D., and James J. Goedert, M.D., of the National Cancer Institute, revisit the history of the AIDS epidemic and how the knowledge of cancer and immune di...

How the environment could be damaging men's reproductive health

...Y chromosome bearing sperm in semen, and that age, smoking and hormone levels had no effect. "When we compar...t rose from 5.1% in non-smoking mothers to 7.8% in smoking mothers, and from 4.9% to 7.13% for mothers working in a potentially harmful environment. "Although...

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