Tag: "smoking" at biology news

Genetic mutations linked to the practice of burning coal in homes in China

...s found in men from Xuan Wei who smoked. "Tobacco smoking is rare in women from Xuan Wei, yet the female population has an abnormally high lung cancer death rate," said Dr. Keohavong. "Women in this region traditionally start the fires and cook, spending more time inside homes that lack ventilation. As a re...

UT Southwestern receives $1.78 million grant for obesity research as part of NIH Roadmap initiative

...285,000 and 325,000 people, second only to tobacco smoking as a cause of preventable death. "Obesity is a deceptively simple problem, as it is essentially energy input vs. energy output," Dr. Malloy said. "However, it's not obvious yet why obesity should necessarily accompany development of type II diabetes,...

Cigarette smoke causes breaks in DNA and defects to a cell's chromosomes, Pitt study finds

...ome instability in cancer cells. Because cigarette smoking is linked to oral, larynx, lung, bladder and esoph..., no amount of scientific evidence arguing against smoking will get everyone to stop or not begin to smoke in the first place. So, perhaps one long-term goal s...

Cannabis may help combat cancer-causing herpes viruses

...s also been shown to suppress the immune system so smoking marijuana could "do more harm than good" to patients whose immune systems are often already weakened....

Genes expose secrets of sex on the side

...he proof in their genes. By using those genetic smoking guns, researchers at the University of Arizona in Tucson have developed new insights into ancient mating and migration patterns in humans. Men and women differed in their participation in reproduction, the researchers report. More men than women g...

New research shows air pollution can reduce children's lung function

...ed lung function are alarming. It's second only to smoking as a risk factor for mortality. As lung function decreases, the risk of respiratory disease and heart attacks increases." Deficits in lung function are associated with other short- and long-term effects. "If children or young adults with low lung fun...

Ventilation in bars, casinos doesn't control health risk for hospitality workers

...riday evenings in November 2002 before Delaware's smoking ban -- and again in January 2003, two months after...ings demonstrate the dramatic effect of Delaware's smoking ban: Except for residual chalk dust in the pool hall at 17% of pre-ban levels -- air quality level...

Excess levels of nitrogen, phosphorus linked to deformed frogs

...n "What we have is a warm gun, not yet a smoking one," said Jonathan Chase, Ph.D., assistant professor of biology at Washington University in St. Louis. "We have evidence that eutrophication creates a favorable situation for a common snail that thrives on high phosphate and nitrogen levels. This ...

Wheelchairs biomechanics, prosthetic development

...l-being was significantly related to foot care and smoking status. Neuroprosthesis restores grasp-release hand function to individuals with SCI , pg 461 This study investigates the use of myoelectric signals (MES) from wrist muscles to control a hand grasp neuroprosthesis. MES from the wrist flexor and ext...

Location of potential familial lung cancer gene discovered

...ng discovery the team made involved the effects of smoking on cancer risk for carriers and non-carriers of th...er. In carriers, on the other hand, any amount of smoking increased lung cancer risk. These findings suggest that smoking even a small amount can lead to can...

Anxiety during pregnancy affects child behavior

...ed the fetus more than any other factor, including smoking during pregnancy, low birthweight, or anxiety of the mother when the child is 8 or 9. The results provide some of the strongest indirect evidence available today that a woman's anxiety during pregnancy may program some set point in the early developi...

New 20-year study links COPD and asthma

... Tucson, AZ. "It is possible that factors such as smoking and repeated episodes of acute bronchitis may faci...and potential confounders, including age, sex, and smoking status. Of the patients, 192 currently had asthma (active asthma), 156 were previously diagnosed wi...

Croatian skeletons reveal changing status of cancer in Europe across the centuries

...he development of cancer in the European Union are smoking (estimated to cause 30% of all cancer deaths) and ...hrough greater education about the benefits of not smoking tobacco, by encouraging people to eat a diet plentiful in fresh fruit and vegetables, through the pr...

As humans alter land, infectious diseases follow

...vely new and, so far, limited. "There is no single smoking gun," says Patz. "The causes are interwoven into current unsustainable development practices. " The list of activities that contribute to the spread of infectious disease, according to the Environmental Health Perspectives report, is long and varie...

Natural selection at work in genetic variation to taste

... remaining genes to make a stronger correlation to smoking and diet. "I would like to know which genes contribute most to smoking tendencies," Wooding said. Other authors of the latest study include: Lynn B. Jorde, Ph.D., professo...

Clinical judgement still counts strongly alongside genetic testing

...hey worry whether their lifestyle choices, such as smoking in pregnancy, are the cause of their child's troubles. Identifying a genetic condition, whether inherited or a sudden occurrence, exonerated parents over their child's problems and alleviated their feelings of guilt and responsibility. ...

COPD is forgotten killer, says University of Toronto professor

...e a greater degree of lung damage than men do from smoking the same number of cigarettes. "The data have been there for some time, but nobody picks it up and talks about it," says Chapman, who is also a physician in the Asthma and Airway Centre at Toronto Western Hospital. "It's astonishing how little rese...

Study links diabetes and colorectal cancer

...d such other risk factors as obesity and cigarette smoking and do so at concentrations below those commonly accepted as the standard for a diagnosis of diabetes. For every one percent increase in glycated hemoglobin there was a corresponding 33 percent increase in risk across the population. The results a...

Pharmacogenomics could replace 'trial-and-error' with science from the human genome

...the disease as well as diet and activities such as smoking might affect treatment outcome. "Despite the enthusiasm researchers have for advancing biomedical technology and exploring the human genome, there is little willingness to incorporate pharmacogenomics into clinical trials," Evans said. What is need...

Cutting back on cigarettes: when less is more

...women over six days in three different situations: smoking their usual amount, restricted intake (50 percent)...cigarette before putting it out. In addition, when smoking fewer cigarettes, the women produced more CO in their exhaled air per cigarette, compared to when th...

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