Although smoking can exacerbate the disease but about 20 percent of lung cancer patients, as well as families desperate to continue that habit. Most patients argued it was too late to quit smoking.
"Most of them had already reasoned disease so severe nothing in it to quit smoking," said Kathryn E. Weaver, of Wake Forest Baptist Medical Center.
In fact, Weaver added, many benefits are achieved if the patient immediately left the hobby of smoking cigarettes, among other things improves the body's response to treatment, as well as life expectancy and quality of life.
In his research Weaver observing 742 cancer patients and their families. He found 18 percent of patients fail to leave the habit of smoking even though they suffer from the disease due to tobacco.
Meanwhile, in patients with colorectal cancer who do not have a strong connection with the use of tobacco, found 12 percent of patients who are stubborn.
While on the family of lung cancer patients, 25 percent still smoked and 20 percent of colorectal cancer patient's family. Most of the families involved in this study were the wives and the average middle aged.
Continuing smoking increases the risk of other cancers and reduce the efficacy of medical therapy. Another reason to quit smoking actually cure the disease is shortness of breath due to lung cancer is usually accompanied by chronic obstructive pulmonary disease.
Research also shows nicotine would inhibit the effects of cancer chemotherapy so difficult to prevent malignancy.
"reckless continue to smoke can have serious consequences on the lung. Patients can suffer from coughing up blood, sleep disturbance, fatigue, and loss of appetite. Loss of confidence and depression also may occur," said Janine Cataldo, an assistant professor at the University of California at San Francisco.
"People who quit smoking most directly feel the quality of life for the better," he added.
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