Tag: "smoking" at biology news
Brief exposure to nicotine makes lasting mark on the brain
...t smoking, despite widespread awareness that smoking
causes cancer, heart disease, stroke, emphys...ly more effective method to help people stop smoking
can have a tremendous health impact," added McGehee....
Low dietary vitamin C can increase the risk for periodontal disease, especially in smokers
...dietary vitamin C. "Since oxidants from cigarette smoking
lower vitamin C levels in the blood, smokers need higher levels of dietary vitamin C to help counteract smoke's oxidants," said Genco. "It's also important to add that cigarette smoke contains numerous oxidants that can cause periodontal tissue d...
Improving preventative care for coronary bypass patients
...aken to manage each patient's risk factors such as smoking
status, blood pressure and cholesterol concentration. In general, the standard of preventative care was good for well-established risk factors. For instance, virtually all patients were taking aspirin, had good blood pressure control and only 10% sti...
Women failing to take vitamin that helps prevent serious birth defects, survey finds
...ook almost 30 years to achieve a major decrease in smoking
rates." She noted that 9 out of 10 women do not know that folic acid must be consumed before pregnancy to be effective, and that only 1 in 7 know that folic acid prevents birth defects. "We think this shows that very few women truly understand the i...
Fact sheet: the Report on Carcinogens - 9th edition
...isk of lung cancer in nonsmoking women living with smoking
husbands or working with smoking
co-workers. Tobacco smoking
- Tobacco smoking
(i.e. directly inhaled tobacco smoke) is listed as a...
No apparent increase in cancer deaths among Three Mile Island residents, report University of Pittsburgh researchers
...f information about residents' lifestyles (such as smoking
habits and education levels) and everyday backgrou...32,135 individuals included education, occupation, smoking
status, residential history, medical history, previous radiation exposure and daily travel in and ou...
Occupational disease associated with pneumatic tool use worsened by smoking
...Occupational and Environmental Medicine shows that smoking
seems to perpetuate circulatory problems and that ...esults had improved in 53 workers who had given up smoking
between the tests, but their symptoms had not....
Study shows gene may boost smoking-related heart disease
...ols. "Subjects already had been asked about their smoking
habits and had provided a blood sample for genetic...bladder cancer. "We've known for a long time that smoking
is bad for the heart, but we don't fully understand why," Pankow said. "We hope this research will p...
Smoking during pregnancy found to increase risk of cleft lip and palate
...dded to the list of potential harmful effects from smoking
during pregnancy. It also suggests a possible caus... Plastic and Reconstructive Surgery. "Not only can smoking
cause prematurity and low birth weight, we now believe it can cause this devastating problem as well...
Poorer lung function among children exposed to their mothers' cigarette smoke while in the womb
during pregnancy, environmental tobacco smoke exposure and childhood lung function 2000; 55: 271B6 Babies exposed to their mothers' cigarette smoke while in the womb grow into children with compromised lung power, reports research in Thorax. Variou...
Emphysema linked to smoking marijuana
...gs on joints. The physical effects on the lungs of smoking
three to four joints a day are equivalent to those produced by smoking
a pack of cigarettes a day, say the authors....
Hopkins researchers develop a non-invasive screening test for cancer
... of developing lung cancer because of a history of smoking
could provide a sputum sample. That sample would be analyzed to obtain a base line description of the individual's mitochondrial genome. In subsequent visits, new sputum samples would be collected and compared to the base line for changes. If new mut...
Nicotine may have another side effect: heavy drinking
...thor. "We also knew that the active ingredient in smoking
is nicotine. So we askedourselves: Does nicotine ...Yale University School of Medicine. "We knew that smoking
wasassociated with heavy drinking; these findings suggest that in fact smoking
may directly increase...
Exposures to second-hand smoke lower than believed, ORNL study finds
... tobacco smoke nicotine levels in workplaces where smoking
is permitted to be between 9.41 and 14.9 micrograms per cubic meter, far lower than the numbers assumed by EPA and OSHA. "A well-known toxicological principle is that the poison is in the dose," Jenkins said. "Its pretty clear that the environmental ...
Common anti-inflammatory drug rescues low-growth fetuses in mouse study
... FitzGerald and his colleagues knew that cigarette smoking
and diabetes are among the leading risk factors for IUGR. They knew that both of these conditions are characterized in part by overproduction of thromboxane, a hormone-like substance formed by COX that causes blood vessels to constrict. Pregnancy, t...
Smokers benefit more from vitamin C supplementation than non-smokers
...ult to distinguish between the effects of diet and smoking
on antioxidant status in smokers. However, using a study design which matched smokers and nonsmokers in their dietary habits, Lykkesfeldt et al. in a study published in The American Journal of Clinical Nutrition found that supplementation with vitam...
Study suggests newer oral contraceptives may be less harmful for women smokers
... not surprising considering the harmful effects of smoking
on the heart." Subjects who smoked and took older...d research assistant Healther Lenahan. While both smoking
and oral contraceptives have been studied extensively, the new research is believed to be the first ...
University of Pittsburgh-led team finds biological reason for women's increased risk of smoking-related lung cancer
... are likely to develop lung cancer after much less smoking
exposure than men and much earlier in life, regardless of their smoking
history, said Sharon Shriver, Ph.D., principal investigator on the study who is now an instructor of...
Pitt team first to illustrate mechanisms of chromosome missegregation in cancer cells
...ve cancer growth. "We know that smoking
damages chromosomes somehow leading to micronuclei and chromosome damage. Our study shows how these events may occur in cancer cells. By understanding this process, we may be able to intervene and prevent additional gene amplification that contribu...
Death risk higher for elderly women who lose weight, says University of Maryland School of Medicine study
...ncreased death rates. The study took age, income, smoking
habits and alcohol use into consideration, but the cause of death for these women is not known. Reynolds says interviewers tried to screen out women with serious pre-existing health problems, but he says some illnesses may have gone undetected, acco...
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