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It was always thought HIV infection was responsible for a higher incidence of lung cancer. Research indicates that though AIDS does increase probability of lung cancer, HIV infection by itself was not directly responsible for the disease. Online Canada Pharmacy believes lung cancer can be avoided by giving up smoking at an early stage. Study Links Other Factors to Lung Cancer Researchers based at the University of California in San Francisco were involved in two longitudinal studies conducted on both men and women suffering from HIV infection in the United States. The aim was to determine causes for higher incidence and increased risk of acquiring lung cancer. In cases where AIDS was not detected, HIV infection was not directly responsible for lung cancer in both women and men who volunteered for the study. A total of 6,972 men and 3,763 women were analyzed during the study. Volunteers included 42% men infected with HIV positive virus and 74% women. The extended study included participants reporting for follow-up twice a year. Incidence of lung cancer was directly determined from medical record reviews, death certificates, and registers alimta maintained by statewide cancer institutions. Increased risk of lung cancer was calculated simply by taking the number of cancer cases and dividing it by the number of years a patient reported for follow up. Findings of the study were published at the 13th International Conference on Malignancies in AIDS and Other Acquired Immunodeficiency's (ICMAOI) organized by the National Institutes of Health. The hypothesis did not connect HIV infection directly with lung cancer, but higher incidence among participants was primarily on account of smoking cigarettes. If patients also had pre-existing lung disease, secondary reason presented itself. In cases where HIV infection had already developed into full-blown AIDS, incidence of lung cancer was found to be higher. Sufferers buy Alimta and other medication from Canada Pharmacy Online for the treatment of lung cancer. Smoking By Far Most Important Risk Factor Analyses done on 6,816 people who never indulged in smoking showed they had no risk of lung cancer even though infected with the HIV virus. However, lung cancer cases were diagnosed primarily in volunteers who either smoked currently or had a history of smoking. Affected people were likely to have higher HIV viral loads. In most cases, they would not have received highly active and anti-retroviral therapy or HAART. Statistics also indicated women smokers over 60 years were nine times more likely to get lung cancer than smoking women below 50 years of age. If people smoked a packet of cigarettes for 30 years, risk of lung cancer increased 10 times as compared to people who smoked for 10 years. Similarly, risk increased considerably by 22 times in women who smoked a packet of cigarettes for 30 years as compared to women who indulged in smoking for just 10 years. Afro-American women had four times higher risk than other women. Canada Pharmacy Online is aware number of cases tested for lung cancer may not be sufficient to rule out risk due to HIV infection. Environmental factors and tobacco habits differed from place to place. Results found in the United States may differ from those found in other countries. However, alimta ,the study firmly established smoking was a major risk and must be stopped to avoid developing lung cancer. alimta