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Cell Phone Cancer

Myth: Cell phones cause brain cancer

Lawsuits and news headlines have fueled the myth that cell phones cause cancer, particularly brain cancer, and 30 percent of Americans still believe this myth, according to the Discovery Health/Prevention telephone survey. Consumers could easily have missed the reports showing no danger from cell phones because they didn’t receive alarming front-page coverage like the original reports. A few studies suggested a link with certain rare types of brain tumors, but the consensus among well-designed population studies is that there is no consistent association between cell phone use and brain cancer. [Source]

Interesting Fact:The very first patent for a cell phone like device (wireless telephone) was granted in 1908 to Nathan B. Stubblefield who some people claim invented the radio before Tesla and Marconi. Stubblefield died as a self-imposed hermit by starving to death.

Lung Surgery Operation

lung

Lung Surgery Operation

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The lung or pulmonary system is the essential respiration organ in air-breathing animals, including most tetrapods, a few fish and a few snails. In mammals and the more complex life forms, the two lungs are located in the chest on either side of the heart. Their principal function is to transport oxygen from the atmosphere into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere. This exchange of gases is accomplished in the mosaic of specialized cells that form millions of tiny, exceptionally thin-walled air sacs called alveoli.

In order to completely explain the anatomy of the lungs, it is necessary to discuss the passage of air through the mouth to the alveoli. Once air progresses through the mouth or nose, it travels through the oropharynx, nasopharynx, the larynx, the trachea, and a progressively subdividing system of bronchi and bronchioles until it finally reaches the alveoli where the gas exchange of carbon dioxide and oxygen takes place.

The drawing and expulsion of air (ventilation) is driven by muscular action; in early tetrapods, air was driven into the lungs by the pharyngeal muscles, whereas in reptiles, birds and mammals a more complicated musculoskeletal system is used.

lung surgery during the operation

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Doubts on suicide-anti-smoking drug Chantix link

in.reuters.com

Doubts on suicide-anti-smoking drug Chantix link

Despite earlier health agency warnings, there is no strong evidence that the anti-smoking drug Chantix raises the risk of suicidal thoughts or depression compared to other stop-smoking products, researchers reported Thursday in the British Medical Journal.

Back in July of this year, U.S. health officials ordered strong “black box” warnings be added to Chantix (also called varenicline) as well as anti-smoking drug Zyban, following more than five thousand reports of depression, hostility and other behavioral changes possibly associated with use of these drugs.

“There have been recent concerns that varenicline, a relatively new smoking cessation product, may increase the risk of suicidal behavior and suicide,” study co-author Dr. David Gunnell of the University of Bristol, UK, explained in an email to Reuters Health.

“We found no clear evidence of an increased risk of self-harm or depression associated with varenicline,” he said.

The findings stem from data on more than 80,660 would-be quitters in the UK who used different smoking cessation products between September 2006 and May 2008.

A total of 63,265 of these individuals used nicotine replacement products, 10,973 used Chantix, and 6,422 used Zyban, an antidepressant also called bupropion, which has been found to help smokers quit.

When researchers looked at medical records, they didn’t find any evidence of an increased risk of serious mental health problems (i.e., self-harm, suicidal thoughts or depression) while they were using these products and during the three months after the last prescription was filled.

Gunnell cautioned, however, that based on the size of the study, it’s still possible that Chantix does increase the risk of suicide – or even decrease it.

“Other studies should be undertaken to provide further evidence on this issue,” he concluded.

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