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Hi this is Arif, I am 22 years old. I started smoking recently from the last past 2 years. And I regularly smoke approx 20 cigarettes a day. I feel their might be some problem with my lung and I want to make sure if everything is alright and if not then I will quit this habit right away. So I was planning to take some test that might tell me how my lungs are. So wanted some advice what to door for which test should I go forward with. Thank and Regards Arif Khan.

1 Doctor Answered
You should not wait to have a problem with your lungs before quitting. You are already smoking too much for a 22-year old. You need to visit a pulmonologist to check your lungs, immediately. You may check these lung cancer signs to know something as a layman: Lung Cancer Signs and Symptoms (Sourced from Medicinenet. Com) Lung cancer is the most common cancer in men and the fifth most common in women, even causing more cancer-related deaths in women than breast cancer. The incidence of lung cancer is strongly correlated with cigarette smoking, with about 90% of lung cancers arising as a result of tobacco use. Symptoms of lung cancer are varied dependent upon the exact location of the tumor and the extent of its spread. A person with lung cancer may have the following kinds of symptoms: •No symptoms - Up to 25% of people who get lung cancer do not have any symptoms when the cancer is found. In these cases the cancer is first discovered on a routine chest X-ray or computerized tomography (CT) scan performed for another reason. •Symptoms related to the cancer - The growth of the cancer and invasion of the lung and surroundings may lead to symptoms such as cough, shortness of breath, wheezing, chest pain, and coughing up blood (hemoptysis). If the cancer has invaded nerves, it may cause shoulder pain that travels down the outside of the arm (called Pancoast syndrome) or paralysis of the nerves traveling to the vocal cords that leads to hoarseness. Invasion of the esophagus may lead to difficulty swallowing (dysphagia). If a large airway is obstructed, collapse of a portion of the lung may occur and cause infections (abscesses, pneumonia) in the obstructed area. •Symptoms related to metastasis (spread to other organs) - Lung cancer that has spread to the bones may produce excruciating pain at the sites of bone involvement. Cancer that has spread to the brain may cause a number of neurologic symptoms that may include blurred vision, headaches, seizures, confusion or altered thought processes, or symptoms of stroke. •Paraneoplastic symptoms - Lung cancers frequently are accompanied by so-called paraneoplastic syndromes that result from production of hormone-like substances by the tumor cells that are released into the blood. A common paraneoplastic syndrome associated with one type of lung cancer is the production of a hormone called adrenocorticotrophic hormone (ACTH) by the cancer cells, leading to over secretion of another hormone, cortisol, by the adrenal glands (Cushing's syndrome). •Nonspecific symptoms - Nonspecific symptoms seen with many cancers, including lung cancers, include weight loss, weakness, and fatigue. It is important always to consult a doctor if a person develops the symptoms associated with lung cancer, in particular: •A new persistent cough or worsening of an existing chronic cough •Blood in the sputum •Persistent bronchitis or repeated respiratory infections •Chest pain •Unexplained weight loss and/or fatigue •Breathing difficulties such as shortness of breath or wheezing.
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