24 Mart 2010 Çarşamba
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Lungs
Covering a large portion of the inner chest, blood cleansing, the right with the left respiratory organ consisting of two parts.
Bronşçuk the last section.
Breathing air with high built in animals, as a pair of the respiratory organs.
Bronşçuk the last section.
Breathing air with high built in animals, as a pair of the respiratory organs.
7 Ocak 2010 Perşembe
Debunking Myths about Quitting Smoking
(CBS) For the 46 million Americans who still smoke, quitting is usually a top New Year's resolution. However, quitting is even tougher if you buy into some enduring myths.
CBS News medical correspondent Dr. Jennifer Ashton discussed some of them on "The Early Show" to try to set the record straight.
Myth: Switching to 'light' cigarettes will cut my risk.
Ashton cited The National Cancer Institute (NCI), which recently concluded that light cigarettes provide no benefit to smokers' health. According to the NCI report, she said, people who switch to light cigarettes from regular cigarettes are likely to inhale the same amount of hazardous chemicals, and may be inhaling more deeply than regular cigarettes. People are still at high risk for developing lung cancer, stroke, heart attack and emphysema. Similarly, cigarettes labeled "natural" or "organic" are no safer than ordinary cigarettes.
2. Myth: Smoked so long the damage is done.
It's never too late to quit, Ashton said. The benefits start right away. In fact, two recent studies support this. One study showed that smokers who suffer heart attacks could extend their life simply by quitting right after the event, according to a new study. Researchers in Israel followed more than 1,500 heart attack survivors for more than a decade. They also tracked people who were unable to quit or cut back. The study found quitting smoking reduced their risk of death by 37 percent.
Another study says quitting can help save your eyesight. The University of California at Los Angeles research found that even after age 80, smoking increases your risk of developing age-related macular degeneration -- or AMD -- the leading cause of blindness in Americans over 65, Ashton said. AMD causes progressive damage to the center of the retina that leads to darkness or blurred vision. Overall, women who smoked had 11 percent higher rates of AMD than other women their same age. In women over 80, however, those who smoked were five and a half times more likely to develop AMD.
"This study provides yet another compelling reason to stop smoking and suggests that it is never too late to quit," said Dr. Paul Sieving, director of the National Eye Institute.
3. Myth: Weight gain as unhealthy as smoking
You've heard of the Freshman 15, well there's the Kick the Habit 10, Ashton said.
"It's true the metabolism slows down a bit, and without the cigarette in the mouth, people tend to eat more," Asthon said, adding, "But the health risks of the extra pounds doesn't compare to the risks of smoking."
To keep weight down, Ashton said, many smoking counselors recommend keeping mints, chewing gum, and toothpicks handy to have something to gnaw on.
4. Myth: Quitting "cold turkey" is the only way to go
Studies have shown that cold turkey may not be best for everyone, Ashton said. Smokers are more likely to succeed in quitting if they combine counseling, which increases odds by 60 percent and smoking cessation aides, including nicotine replacements like gum, patches, lozenges and sometimes prescription drugs like Zyban and Chantix, which double the odds of quitting.
For more tips on how to quit smoking, go to "The Early Show" partner in health, WebMD.com, and search "smoking."
CBS News medical correspondent Dr. Jennifer Ashton discussed some of them on "The Early Show" to try to set the record straight.
Myth: Switching to 'light' cigarettes will cut my risk.
Ashton cited The National Cancer Institute (NCI), which recently concluded that light cigarettes provide no benefit to smokers' health. According to the NCI report, she said, people who switch to light cigarettes from regular cigarettes are likely to inhale the same amount of hazardous chemicals, and may be inhaling more deeply than regular cigarettes. People are still at high risk for developing lung cancer, stroke, heart attack and emphysema. Similarly, cigarettes labeled "natural" or "organic" are no safer than ordinary cigarettes.
2. Myth: Smoked so long the damage is done.
It's never too late to quit, Ashton said. The benefits start right away. In fact, two recent studies support this. One study showed that smokers who suffer heart attacks could extend their life simply by quitting right after the event, according to a new study. Researchers in Israel followed more than 1,500 heart attack survivors for more than a decade. They also tracked people who were unable to quit or cut back. The study found quitting smoking reduced their risk of death by 37 percent.
Another study says quitting can help save your eyesight. The University of California at Los Angeles research found that even after age 80, smoking increases your risk of developing age-related macular degeneration -- or AMD -- the leading cause of blindness in Americans over 65, Ashton said. AMD causes progressive damage to the center of the retina that leads to darkness or blurred vision. Overall, women who smoked had 11 percent higher rates of AMD than other women their same age. In women over 80, however, those who smoked were five and a half times more likely to develop AMD.
"This study provides yet another compelling reason to stop smoking and suggests that it is never too late to quit," said Dr. Paul Sieving, director of the National Eye Institute.
3. Myth: Weight gain as unhealthy as smoking
You've heard of the Freshman 15, well there's the Kick the Habit 10, Ashton said.
"It's true the metabolism slows down a bit, and without the cigarette in the mouth, people tend to eat more," Asthon said, adding, "But the health risks of the extra pounds doesn't compare to the risks of smoking."
To keep weight down, Ashton said, many smoking counselors recommend keeping mints, chewing gum, and toothpicks handy to have something to gnaw on.
4. Myth: Quitting "cold turkey" is the only way to go
Studies have shown that cold turkey may not be best for everyone, Ashton said. Smokers are more likely to succeed in quitting if they combine counseling, which increases odds by 60 percent and smoking cessation aides, including nicotine replacements like gum, patches, lozenges and sometimes prescription drugs like Zyban and Chantix, which double the odds of quitting.
For more tips on how to quit smoking, go to "The Early Show" partner in health, WebMD.com, and search "smoking."
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