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smoking
Patients unaware of link between smoking and bladder cancer
By Dross at 2008-07-08 20:55
 

ANN ARBOR, Mich. - Even though cigarette smoking accounts for up to half of all bladder cancer cases, few people are aware of the connection - including more than three-quarters of patients who have bladder cancer, according to a new study from the University of Michigan Comprehensive Cancer Center.

This knowledge vacuum suggests that urologists and other physicians need to do a much better job of telling patients about the risk of smoking and encourage them to quit, the study authors say.

"The general public understands that cigarette smoking can lead to lung cancer, but very few people understand that it also can lead to bladder cancer," says senior author James E. Montie, M.D., Valassis Professor of Urologic Oncology at the U-M Health System.

read more | 1152 reads

UGA study explains why anti-smoking ads backfire or succeed
By Dross at 2007-07-20 22:08
 

Some anti-smoking ads are simply ineffective, while others actually make youth more likely to light up. Fortunately, some are successful, and a new University of Georgia study helps explain why.

Hye-Jin Paek, assistant professor at the UGA Grady College of Journalism and Mass Communication, found that anti-smoking ads are most effective when they convince youth that their friends are listening to the ads. Otherwise, the ads appear to stimulate the rebellious and curious nature of youth, making them more interested in smoking. Paek and co-author Albert Gunther from the University of Wisconsin-Madison examined data from surveys of nearly 1,700 middle school students, and their results appear in the August issue of the journal Communication Research.

read more | 794 reads

Link between smoking, pancreatic cancer
By Dross at 2007-03-09 05:07
 

Researchers at Michigan State University have added yet another piece to the puzzle that links cigarette smoking with cancer of the pancreas, one of the deadliest forms of cancer.

In research published in the recent issue of the International Journal of Cancer, MSU’s James Trosko and colleagues zeroed in on the mechanism by which a healthy cell turns cancerous.

Specifically, they found that the chemicals produced by the burning of tobacco products – polycyclic aromatic hydrocarbons, or PAHs – interfere with communication between the body’s cells. More importantly, the work showed that some of these chemicals don’t necessarily initiate the cancer, but rather contribute to the promotion of it.

read more | 1773 reads

Calculated risk
By Dross at 2007-01-25 09:56
 

 

A simple blood test may be able to identify those most at risk for developing head and neck cancer as a result of smoking. This was the finding of a recent study by Prof. Zvi Livneh, Head of the Weizmann Institute's Biological Chemistry Department, Dr. Tamar Paz-Elizur of the same department, and their research team that worked in collaboration with Dr. Rami Ben-Yosef of Tel Aviv-Sourasky Medical Center, Prof. Laurence Freedman of Sheba Medical Center and Prof. Edna Schechtman of Ben-Gurion University of the Negev.

 

Livneh's research deals with repair mechanisms for DNA, the material of genes. Cells maintain sophisticated repair systems to prevent the accumulation of mutations that might lead to cancer. In these systems, molecular detectors scan the DNA for injury. A sort of local operation is then performed to cut out and dispose of the damaged segment and replace it with a new one. In their study, which appeared in Cancer Research, the scientists asked whether a reduced individual ability (non-inherited) to repair DNA damage increases chances of getting head and neck cancer. Smoking damages DNA and is known to be a major cause of this disease, which can affect the throat, mouth and larynx.

read more | 2083 reads

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