Tag: "smoke" at biology news

Genetic Makeup May Explain Why Some Women Smokers Develop Breast Cancer While Others Don't, UB Study in JAMA Reports

...d with cigarette smoking. Components of cigarette smoke also have been shown to cause breast cancer in rodents. To investigate the possibility that slow-versus-fast acetylation could affect the incidence of breast cancer among smokers, the researchers used data from an earlier case-control study of the d...

Purdue Researchers Prod Plants To Clean Up Pollution

... of the radioactive wastes that billowed up in the smoke of the Chernobyl fire, then fell and contaminated land around the blown reactor. In humans, radioactive strontium can cause bone tumors and, possibly, leukemia. Webb hadn't set out to clean up radioactive waste. Her work started with calcium, but led...

Smoking Mice Lead To Emphysema Breakthrough

...howed nosigns of emphysema even after inhaling the smoke of two unfiltered cigarettes aday, six days a week...cenario, neutrophilsmount a counter-attack against smoke by congregating in the lungs and releasinginflammatory enzymes. The enzymes eventually break down el...

New Mechanism To Explain Carbon Monoxide Poisoning Identified

...wever,CO is ubiquitous: Auto emissions and tobacco smoke account for much of thelow-level exposures to which people are bombarded everyday. The physiologicalconsequences of these sustained levels of CO exposure are virtually unknown. The classic explanation for CO's poisonous action is that it bind...

Fruit Flies May Shed Light On Cocaine Addiction

...lectric current, "crack" was released in a cloudof smoke that was absorbed by the flies. In response to low doses of cocaine, the flies continuously groomed themselves. With higher cocaine levels, they walked backward, sideways, and in circles. Atthe highest doses, the flies developed tremors, paralysis...

Study Finds Some People Are 'Born To Smoke'

... the teenagers who experiment with tobacco goon to smoke regularly. What makes them different from kids wh...rable effects---than people who are not tempted to smoke again. In a new study, researchers from the University of Michigan Medical School askedfemale smoke...

Women Who Smoke While Pregnant Pass Along Genetic Mutations To Their Babies, According To Pitt Researchers

Certain mothers who smoke while pregnant are at high risk of passingalong ge... CYP1A1 and CYP2E1transform substances in tobacco smoke into dangerous carcinogens that causecellular genetic damage associated with cancer. Increasing lev...

Smokings Effects On Pregnancy Not Mitigated By Prenatal Vitamins, UB Study Finds

...the public health, because it shows that women who smoke and take vitamins do not really minimize the risk ...first paper to show this. The message is, 'Do not smoke during pregnancy, because vitamins won't help to negate smoking's effects.'" Multivitamins are...

Weary Tibetan People Find Supporting Hand In ASU Graduate Student

...he spring and fall. They use yak dung for fuel and smoke it in their pipes. "They been living on sort of a knife's edge for the last 30 years," said Andrew Smith, an ASU biology professor and Foggin's thesis advisor. Old grazing practices have changed for the nomads as grasslands have been degraded durin...

Peptic Ulcers: Stress Does Matter, After All

...acteria multiply. Also, people under stress often smoke more, drink heavily, and skip meals, behaviors that make it more likely they will get ulcers. "I have a suspicion that one reason the medical establishment wiped stress off the charts so fast," Levenstein says, "was that it didn't feel comfor...

Gene Variant Found That Can Help Protect Against Nicotine Addiction

...lleles. In addition,among a group of people who do smoke regularly, those with null CYP2A6 allelessmoked fe... said, "These two factors, a reduced propensity to smoke andthe need to smoke less, would likely decrease the risk of developingtobacco-related illnesses, su...

Genetic Defect Protects Against Smoking

...ikely to become smokers and, if they do smoke,will smoke fewer cigarettes, according to a University of Tor...efficient at turning the procarcinogens in tobacco smoke into carcinogens,and may therefore, in addition to decreased smoking, be less likely to developlung ...

New Research On Environmental Pollutants

...tants such as PCB.This mainly applies to women who smoke more than ten cigarettes a day. However,only a minor link was found between the consumption of Baltic Sea fish andinfertility. Another study found that women that grew up in fishing villages on the Swedisheast coast, who also frequently eat fish fro...

Antioxidant Vitamin Supplementation And Lipid Peroxidation In Smokers

Previous studies have shown that cigarette smoke enhances lipid peroxidation. This study examined the effect of daily consumption of a tomato-based juice supplemented with vitamin C (600 mg), vitamin E (400 IU, or 400 mg), and b-carotene (30 mg) on various indexes of lipid peroxidation (breath pent...

Commercial Fish: Eat Up, Despite Low Levels Of Mercury

... Man-made sources include coal-fired power plants, smoke from burningcigarettes, and incinerators that burn...years after the study began.) Women drink and smoke very little, eliminating those habitsas factors in their children's pre-natal development....

Three-Way Gene-Gene-Environmental Exposure Interaction Shown By NIEHS To Escalate Smoking-Related Bladder Cancer

...abolizing achemical, arylamine, present in tobacco smoke and some occupations, such asthose involving petroleum. But surprisingly, while a variation of one of thegenes (NAT1) alone increased risk about twofold for smokers, variations of thesecond gene (NAT2) conveys no demonstrated risk unless the NAT1 va...

Ear Infection Complications On The Rise, University of Florida Researchers Report

...mmends breastfeeding, avoiding exposure to tobacco smoke andusing daycare with groups of less than six children. If an antibiotic isprescribed, the whole course should be completed to ensure the bacteria iskilled. Hospitals do have certain antibiotics they hold in reserve to treatresistant bacteria. Anton...

40 Percent Of Deaths Are Environmental

...nearly 1,800 cigarettes per person per year, males smoke 98 percent of the cigarettes. However, mortality due to lung cancer is approximately equal in males and females. -- Although the use of lead in U.S. gasoline declined since 1985, other sources inject about 2 billion kilograms of lead into the atmo...

Researchers Discover Tumor-Supressor Gene That May Indicate Susceptibility ToLung And Colon Cancer

...d, making some people more susceptibleto cigarette smoke and similar tumor-promoting chemicals." The American Cancer Society estimates that in 1998 nearly 48,000 people will dieof colon cancer and 160,000 of lung cancer. Scientists already know that tumorpromoters effect a biochemical process that is invol...

Smoke breathes new life into a forest

...ringham, of California State University, show that smoke also triggers germination in deeply dormant seeds....ared seed characteristics of species stimulated by smoke to those stimulated by heat shock, and the different mechanisms behind germination. Seeds that germ...

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(Date:5/24/2013)... Calif.) (PRWEB) May 24, 2013 ... House Appropriators and the California congressional delegation, joined ... restore sequestered industry user fees paid to the ... to ensure that future across-the-board cuts will not ... of the FY14 Agriculture, Rural Development and FDA ...
(Date:5/24/2013)... Teams of highly respected Alzheimer,s researchers failed to replicate ... of this brain disease when they were published last ... results, presented online Feb. 9, 2012, suggested that the ... buildup of beta amyloid plaques (Aβ) a pathological ... mice. According to the authors of the 2012 report, ...
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