A new way to look at lung cancer and tobacco carcinogens
PHILADELPHIA Two types of cancer-causing agents in cigarettesa nicotine-derived chemical and polycyclic aromatic hydrocarbons (PAHs) are the main culprits in lung cancer. Exposure to tobacco smoke both mainstream and second-hand is a leading cause of cancer death in the United States.
Ecigarettesnational.com Says Claim by FDA and Other Health Organizations Intentionally Misleading
... they are made by the two manufacturers currently suing the FDA in federal court, Smoking Everywhere and Njoy.
"In comparison to the toxins and carcinogens
contained in tobacco cigarettes, the FDA's evidence that the products are dangerous is laughable at best," says Tiffany Ellis, Public Relations Manage...
RESPONSE to the FDA and Public Health Experts Findings on Electronic Cigarettes
...c cigarette samples they have discovered that Electronic Cigarettes contain carcinogens
and toxic chemicals. However, this does not ring true for U.S. based manuf...by independent laboratories and most importantly; do NOT contain any of the carcinogens
referenced in the Final Report on FDA Analyses.
SmokeStik has alw...
FDA Acts to Protect Public Health from Electronic Cigarettes
... potential health risks of these products. The FDA announced today that a laboratory analysis of electronic cigarette samples found that they contain carcinogens
and toxic chemicals such as diethylene glycol, an ingredient used in antifreeze. We look forward to the FDA taking additional action to stop the mark...
Soy in the Diet May Protect Lung Function
...ced COPD risk.
"It has been suggested that flavonoids from soy foods act as an anti-inflammatory agent in the lung, and can protect against tobacco carcinogens
for smokers. However, further research is needed to understand the underlying biological mechanism," study author Fumi Hirayama said in a news release...
Wildlife faces cancer threat
...rbons (or PAHs)is a well-known carcinogen in humans, and PAHs are suspected carcinogens
for beluga whales as well. Fish in other industrialized waterways, includin...he cause these tumors, and environmental factors such as human-manufactured carcinogens
might exacerbate their severity or prevalence.
Monitoring the health of...
Chemicals in Marijuana Smoke May Harm DNA
...smoke, says a new study from the United Kingdom.
In laboratory tests, Rajinder Singh from the University of Leicester and colleagues found certain carcinogens
in cannabis smoke in amounts 50 percent greater than those found in tobacco smoke. They noted that light cannabis use could possibly prove to be even ...
Latest trinational report presents most complete picture of North American industrial pollution
...sis of 2002-2005 reporting by Canadian and US petroleum refineries and bulk storage terminals discloses that, on average, about 7 million kilograms of carcinogens
and developmental or reproductive toxicants were released annually. Most of these pollutants were released to air and water.
The perspective of thi...
Skip the Burgers and Throw Some Veggies on the Grill
... which contain many of the potentially harmful chemicals.
Choose thinner, leaner cuts of meat or kabobs, which cook faster and cut down on the time carcinogens
have to form. Also, flip food frequently to prevent charring.
Line the cooking surface with punctured foil to create a barrier between the coals an...
Proposed E-Cigarette Ban Pushed in the Name of America's Health Actually a Backdoor Boost to Pharmaceutical Companies
...king cessation products, is trying to ban a product that offers none of the carcinogens
of traditional tobacco cigarettes.
Electronic cigarettes vaporize a wa...nates the public concern of secondhand smoke as well as cutting out all the carcinogens
associated with tobacco and the chemicals used in tobacco cigarette product...
Carcinogens in Medical Dictionary
... or to the disruption of cellular metabolic... carcinogens
are substances that cause cancer. Sometimes radiat...licy of water fluoridation – at least in ... "All carcinogens
have a Maximum Contaminant Level Goal (MCLG) of z...nogen from BusinessDictionary.com: Substance ... carcinogens
enter a body through inhalation (of asbestos f...
...the causative toxins in ... There are four generally recognized Aflatoxins , designated B1, B2, G1 and G2 ... Aﬂatoxins are known to be human carcinogens
based on sufﬁcient evidence ... enhancement and inhibition of aﬂatoxin's carcinogenicity were observed ... aflatoxins A group of mycotoxins fo...
Carcinogens in Biological News
Improved method developed to test carcinogen risk
... that traditional methods of assessing the risk of carcinogens
need to be re-evaluated.
The health impact of carcinogens
is not always "linear," the OSU researchers report...gy to assess the danger of some of the most common carcinogens
in the world may be questionable. They may, or may...
Skin color clue to nicotine dependence
...- the color pigment in skin and hair -- may be placing darker pigmented smokers at increased susceptibility to nicotine dependence and tobacco-related carcinogens
than lighter skinned smokers, according to scientists.
"We have found that the concentration of melanin is directly related to the number of cigaret...
Women more vulnerable to tobacco carcinogens, new results show
...more aware of other cancers, such as breast cancer," she said. "Several case-control studies seem to suggest that women are more vulnerable to tobacco carcinogens
On the positive side, other research presented at the conference suggests that women tend to do better than men after surgery to remove ...
DNA repair patterns may predict risk of pancreatic cancer
...le without cancer. DNA repair is the guardian of the genome. When DNA repair failed to fix the DNA damages caused by exogenous agents such as tobacco carcinogens
or endogenous agents such as reactive oxygen species, there is an increased chance of getting cancer.
Researchers found that the presence of a h...
In lung cancer, silencing one crucial gene disrupts normal functioning of genome
...ns many carcinogens, most of which are believed to cause genome damage," he said. "While there is evidence that the mutations induced by these tobacco carcinogens
do play an important role in cancer development, our study reveals the novel and surprising role that silencing of normal genes plays in development...
Repairing DNA damage: Researchers discover critical process in cancer treatment
...NA repair mechanisms, however, the effects of many carcinogens
can be reversed thereby preventing the formation o...mechanism to explain how exposure to environmental carcinogens
initiate and promote cancer," adds Dr. Drobetsky. ...ch are used to cure cancer are themselves powerful carcinogens
that can also cause cancer.
"As shown in the c...
A new cellular pathway linked to cancer is identified by NYU researchers
...s, so deregulation of this pathway is probably going to contribute to tumorigenesis (the development of cancer)."
DNA damage can be caused by carcinogens
in the environment, errors in DNA replication, or glitches in the cellular machinery caused by aging, among other factors. If a cell detects DNA damag...
Aerosol toxins from red tides may cause long-term health threat
...ed with inhalation of brevetoxins remains to be defined.
Individuals are continually exposed to environmental chemicals
capable of damaging DNA like carcinogens
found in tobacco smoke and
air pollution. It is possible that exposure to brevetoxins can add to
the cumulative amount of chemically altered DNA in ...
Viruses may play a role in lung cancer development
... cancer," says lead author Prof. Samuel Ariad from Soroka Medical Center in Beer Sheva, Israel. "Most likely, it acts in modifying the effect of other carcinogens
and not as a causative factor by itself."
First-ever study to link increased mortality specifically to carbon dioxide emissions
... to find quantitatively that chemical and meteorological changes due to carbon dioxide itself increase mortality due to increased ozone, particles and carcinogens
in the air.
Jacobson said that the research has particular implications for California. This study finds that the effects of carbon dioxides warmin...
Carcinogens in Biological Technology
Sigma-Aldrich and Lab Manager Magazine Present Webinar On Laboratory Environmental, Health and Safety Compliance Strategies
...n, and training for personal protective equipment -- Storing, using, and limitations on flammable and combustible liquids -- Regulated areas for carcinogens
-- The Resource Conservation and Recovery Act and the Clean Water Act -- The approvals needed to work with select biological and toxic compounds --...
Cyclodextrin enhances room temperature phosphorescence
...ence in conventional fluid media. Scypinski and Cline Love report, however, that intense room-temperature phosphorescence occurs when these well-known carcinogens
are present, with an external heavy atom, in the cavity of cyclodextrin. 4 Figure 1 depicts the inclusion of a phenanthrene molecule within the cavit...
Tissue Specificity for Mutation Parallels Tissue Specificity for Cancer
...s can be
studied in virtually any tissue.
The hallmark of occupational- and lifestyle-related cancer is tissue
specificity. Human exposures to carcinogens
result in particular types of cancer
at predictable sites; tobacco smoke, arsenic, and ionizing radiation all produce
their own unique kinds of ca...
Carcinogens in Biological Products
Cell Transformation Colorimetric Assay Kit from CHEMICON
Description:...y in soft agar, which is considered the most stringent assay for detecting malignant transformation of cells. For this assay, cells (pre-treated with carcinogens
or carcinogen inhibitors) are cultured with appropriate controls in soft agar medium for 21-28 days. Following this incubation period, formed colonie...
Carcinogens in Biological Definition
...ads to melanoma and other skin malignancies. Breathing asbestos fibers is associated with mesothelioma . In more general terms, chemicals called carcinogens
and free radicals are known to cause mutations. Chronic inflammation may induce malignancy, as neutrophil granulocytes secrete free radicals.
Carcinogens in Biological Dictionary
... The Ames Test . Directly assaying potential carcinogens
by testing for their ability to form ... upon th..... The Ames test is a screening assay for carcinogens
that uses bacteria to detect ... In the Ames ...ration for development. ... A Better Test for carcinogens
' Ames II' Can Detect the Precise Mutation Caused...