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Tobacco in Biological News

Growing evidence of marijuana smoke's potential dangers

... that question by comparing marijuana smoke vs. tobacco smoke in terms of toxicity to cells and to DNA. ... significantly more damage to cells and DNA than tobacco smoke, the researchers note. However, tobacco smoke caused chromosome damage while marijuana ...

Skin color clue to nicotine dependence

... Behavior . To investigate the factors linking tobacco use, nicotine exposure, and skin pigmentation, ... of nicotine that can be used as a biomarker for tobacco use. King and colleagues surmise that nicotine's half-life may, along with tobacco toxicants, be extended due to the accumulation in ...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... NEW ORLEANS (April 17, 2009) Secondhand tobacco smoke and smoke from cooking oil and wood smoke ... The study confirmed previous findings that tobacco smoke could possibly harm cardiovascular ... and wood smoke) men respond to environmental tobacco smoke with a greater increase in indexes of ...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... NEW ORLEANS (April 17, 2009) Secondhand tobacco smoke and smoke from cooking oil and wood smoke ... The study confirmed previous findings that tobacco smoke could possibly harm cardiovascular ... and wood smoke) men respond to environmental tobacco smoke with a greater increase in indexes of ...

Tobacco makes medicine

... tobacco isn't famous for its health benefits. But now ... have succeeded in using genetically modified tobacco plants to produce medicines for several ... of Verona, they set out to create transgenic tobacco plants that would produce biologically-active ...

Novel bioreactor enhances interleukin-12 production in genetically modified tobacco plants

... that hairy roots from genetically modified tobacco plants can be grown in a contained novel mist ... in a cost-effective controlled process." The tobacco project is one of several emerging collaborative efforts between WPI and ABI. In the current study, tobacco plants were modified in the lab of Carole Cramer, ...

Researchers find link between nicotine addiction and autism

... in the brain." Neurexin has implications for tobacco addicts, as well, Anand said. Yet another group ... in nerve cells, perhaps increasing receptors in tobacco addicts while decreasing them in autistic ... within nerve cells could be used to suppress tobacco addiction. ...

How plants fine tune their natural chemical defenses

... habitat. Comparing anti-fungals produced by tobacco and henbane, researchers at the Salk Institute ... plants. Henbane ( Hyoscyamus muticus ) and tobacco ( Nicotiana tabacum ) each rely on a different ... roads that cross the evolutionary divide between tobacco and henbane sesquiterpene synthases. O'Maille ...

Bitter-tasting nectar and floral odors optimize outcrossing for plants

... field experiments with genetically modified wild tobacco plants that show that particular components of ... behavior. Apart from sugars, the floral nectar of tobacco also contains nicotine, which is bitter and used ... such as hummingbirds and hawk moths optimize the tobacco plant's ability to exchange gametes and produce ...

Infection blocks lung's protective response against tobacco smoke

... the lung's natural protective response against tobacco smoke, according to researchers at National ... to COPD and other diseases among smokers." tobacco smoke contains more than 4,700 chemicals, which ... lungs mount a strong protective response against tobacco smoke, which the National Jewish researchers ...

Life Sciences Discovery Fund awards health research project grants

... allocation of bonus payments under the Master tobacco Settlement, revenues arising from multi-state litigation with tobacco product manufacturers. This group of awardees is the second to be funded through the tobacco settlement mechanism. The Life Sciences ...

Fruits, vegetables and teas may protect smokers from lung cancer, UCLA researchers report

... tobacco smokers who eat three servings of fruits and ... than 90 percent of lung cancers are caused by tobacco smoking. The study was published this month ... The findings were especially interesting because tobacco smoking is the major risk factor for lung cancer. ...

UT researchers find link between advertising and increased tobacco use among India's youth

... 2008)As the westernization of India accelerates, tobacco advertising and marketing have been linked to increased tobacco use by urban Indian children as young as 11, ... Public Health. The study, Associations Between tobacco Marketing and Use Among Urban Youth In India, is ...

Your baby's brain on drugs (and alcohol and tobacco)

... indicate that exposure to drugs, alcohol and tobacco in utero is bad for a babys developing brain, ... exposure to cocaine, alcohol, marijuana or tobacco (alone or in combination) may have effects on ... by the finding of brain effects of prenatal tobacco exposure. Approximately 20 percent of women who ...

Insecticide combo delivers knockout punch

... percent of all corn earworms and five per cent of tobacco budworms. Mir1-CP, when used at a concentration ... of the corn earworms and three percent of the tobacco budworms. But when researchers added the two ... 61 per cent of corn earworms and 57 percent of tobacco budworms, which is more than 10 times better than ...

American Chemical Society's Weekly PressPac -- Dec. 19, 2007

... A 20-year review of scientific research on tobacco and cancer challenges the idea that moist snuff ... health warning labels on packages of smokeless tobacco and a ban on electronic advertising, sales of ... the paper notes. Responsible members of the tobacco control community support the idea of using low ...

American Chemical Society's Weekly PressPac -- Dec. 12, 2007

... contains higher levels of certain toxins than tobacco smoke Chemical Research in Toxicology ... including ammonia and hydrogen cyanide than tobacco smoke and may therefore pose similar health ... extensive studies on the chemical composition of tobacco smoke, which contains a host of toxic substances, ...

University of Minnesota releases first ever comprehensive report of the health of college students

... particularly in areas that go beyond alcohol, tobacco and other drug use, Ehlinger said. A survey like ... students being promiscuous, Ehlinger said. tobacco use The current tobacco use rate in the last 30 days for all students at ...

American Chemical Society's Weekly PressPac -- Aug. 8, 2007

... Explosive discovery on genetically engineered tobacco plant Fast, accurate sensor to detect food ... Explosive discovery on genetically engineered tobacco plant Environmental Science & Technology tobacco may be bad for human health, but a new study ...

Does the desire to consume alcohol and tobacco come from our genetic makeup?

... can influence the genetic factors for alcohol and tobacco use. In an attempt to find the genomic determinants underlying alcohol and tobacco use, researchers examined 120 families ... identified an area relating to alcohol and tobacco use on chromosome 1. They found another area ...

Test detects molecular marker of aging in humans

... correlated both with chronological age and with certain behaviors such as tobacco use and physical inactivity, which are known to accelerate the aging ... age. In addition, increased levels were independently associated with tobacco use and physical inactivity as well as with biomarkers of human frailty. ...

American Chemical Society weekly presspac -- June 10, 2009

... journal. Rajinder Singh and colleagues note that toxic substances in tobacco smoke can damage DNA and increase the risk of lung and other cancers. ... especially concerned about the toxicity of acetaldehyde, present in both tobacco and marijuana. However, it has been difficult to measure DNA damage from ...

Women more vulnerable to tobacco carcinogens, new results show

... "Our findings suggest that women may have an increased susceptibility to tobacco carcinogens," report Dr Martin Frueh and colleagues. Dr Enriqueta Felip ... case-control studies seem to suggest that women are more vulnerable to tobacco carcinogens than men." On the positive side, other research presented ...

1 drug may help people both lay down the drink and put out the cigarette

... alcohol use disorders, and as a potential dual treatment for alcohol and tobacco use disorders," said Sherry McKee, associate professor of psychiatry at ... likely to meet criteria for alcohol use disorders. Diseases related to tobacco use are the leading causes of death in alcoholics. "A medication such ...

In lung cancer, silencing one crucial gene disrupts normal functioning of genome

... finding a strong link between modification of the key gene, MTHFR, and tobacco use by lung cancer patients even if the patient had smoked for a short ... he said. "While there is evidence that the mutations induced by these tobacco carcinogens do play an important role in cancer development, our study ...

Life Sciences Discovery Fund awards health research program grants

... comes from Washington's allocation of bonus payments under the Master tobacco Settlement, revenues arising from multi-state litigation with tobacco product manufacturers. This group of awardees is the fourth to be funded ...

Growing fuel and medicine: Advancing biofuels and plant-produced therapeutics

... of the therapeutic protein, murine interleukin-12 (m-IL-12) in transgenic tobacco roots, and the sesquiterpene lactone antimalarial drug, artemisinin, in ... Institute is a five-member research consortium funded by Arkansas' tobacco Settlement Proceeds Act of 2000. The consortium is focused on cutting edge ...

Life Sciences Discovery Fund advances latest research proposals

... comes from Washington's allocation of bonus payments under the Master tobacco Settlement Agreement, revenues arising from multi-state litigation with tobacco product manufacturers. ...

Scientists discover how cigarette smoke causes cancer: Study points to new treatments, safer tobacco

... oxidants) in cigarette smoke is the culprit. This finding may help the tobacco industry develop safer cigarettes by eliminating such substances in the ... about 80 percent in women. In 2000, a Surgeon General report revealed that tobacco smoke contains more than 4,000 chemical compounds, with 43 being known ...

Genes, Environment and Health Initiative invests in genetic studies, environmental monitoring

... Boston A Non-invasive Gene Expression Biomarker of Airway Response to tobacco Smoke $643,000 Charles Thompson, Ph.D., University of Montana, ... Protein Biomarkers of Oxidative Stress and Inflammation Associated with tobacco Smoke and Obesity $1,428,000 Stephen Rappaport, Ph.D., University of ...

Smoking turns on genes -- permanently

... Smoking tobacco is no longer considered sexy, but it may prove a permanent turn on for ... to date, and also generated a large SAGE library for future research. tobacco smoking accounts for 85 percent of lung cancers, and former smokers ...

Race/ethnicity, family income and education associated with sugar consumption

... Module (CCM) is included to obtain information pertinent to cancer researchers. The 2005 CCM consisted of questions about diet, physical activity, tobacco use, sun exposure, cancer screening, genetic testing and family history of cancer. A limited number of questions about diet were included to allow ...

Children's National experts present at Pediatric Academic Societies' Annual Meeting

... and successful program that targets childhood obesity in the Latino community. Dana Best, MD , discusses additional findings for how second-hand tobacco smoke affects childrenspecifically a marked reduction of antioxidant levels. In the spring of 2009, Children's National Medical Center's Emergency ...

New diagnostic advance seen for head, throat cancer

... of the oral cavity and pharynx alone accounted for 35,310 new cases in the United States and 7,590 deaths. They have been linked to such things as tobacco use and alcohol consumption. "Serious head and throat cancer is pretty common, and mortality rates from it haven't improved much in 20 years, ...

New mediator of smoking recruits

... interstitial lung diseases," appears in the May 2009 issue of The American Journal of Pathology . Nearly one billion people worldwide smoke tobacco products. Long-term exposure to compounds found in smoke can lead to both cardiovascular and lung disease. Although lung exposure to cigarette ...

Free online toolkit provides standard measures for genome and population studies

... attainment; anthropometrics, or measurements of the human body and its proportions such as height, weight and waist circumference; and alcohol, tobacco and other substances, with measures such as alcohol maximum drinks in 24 hours , and nicotine dependence. In addition to measures under each ...

Researchers identify specific lung cancer susceptibility gene

... the disease progresses." According to the American Cancer Society, lung cancer is the leading cause of cancer related disease and death. Although tobacco smoke is the primary environmental cause of the disease, science has shown there is also a strong genetic component to the disease. "This study ...

Annual Michael & Susan Dell lectureship in child health

... Health program (CATCH). CATCH is a Texas Education Agency-approved program designed to promote physical activity, healthy food choices and prevent tobacco use in elementary school children. The CATCH program, which began as a successful research study, is currently being implemented in 97 Travis County ...

2009 AIBS Media Award

... since joining the magazine in 1989. During that time, Carey has written articles on everything from sequencing the human genome and global warming to tobacco regulation and election technology. His stories have won journalism awards from the American Association for the Advancement of Science (AAAS), the ...

Changes in gene may stunt lung development in children

... know SOD3 protects the lung against injury caused by chemicals in cigarette smoke, and it could be a link between childhood exposure to environmental tobacco smoke and poor lung development," said Dr. Leikaf. In the future it might be possible to identify at-risk children and to develop a medication that ...
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