Top 5 risk factors for Lung Cancer
A Cancer that begins in the lungs and most often occurs in people who smoke. Lung Cancer major two types of non-small cell lung cancer and small cell lung cancer. Main Causes of lung cancer include smoking, secondhand smoke, exposure to certain toxins, and family history etc. these are the spread factors of lung cancer. Lung cancer Symptoms include a cough (often with blood), chest pain, wheezing, and weight loss. In the USA more than 200,000 cases per year affected with this cancer.
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