### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Hi. ive been smoking marijuana for just over twelve years. i hardly ever stopped smoking until last week. i smoked at least four joints a day of really strong pot and i would cough until i puke . in the mornings i wouldnt be able to go for a walk without coughing until i throw up and thats without even smoking beforehand. this is still happening and its been ten days since i last smoked. should i be worried about cancers and other lung issues? i had pneumonia three times between the age of 15-18 and im wondering if this is a contributing factor. i also have a stomach ulcer from a past alcoholism but have since quit drinking so i think this is another part of my problem as for the puking. i havent been checked for asthma im too scared too find out if it is that or any disease but could you please give me an answer to all of this im really worried it wont stop.

### output:

Hi, Considering your long term history of marijuana smoking, you are at a high risk of suffering from COPD (Chronic Obstructive Pulmonary Disease). Smoking is also a risk factor for HERD(Castro esophageal reflux disease). You need to immediately get yourself evaluated by a Pulmonologist / Chest Physician. Investigations required are chest X-ray and pulmonary function test. Based on the evaluation you may be started on Inhalers and oral medications. Smoking cessation is the cornerstone of therapy. Unless you quit smoking for life, no medicine will benefit you. Smoking related decline in lung function never reverts to normal but after quitting smoking we can slow the decline of lung functions. Also smoking has placed you at a high risk of many diseases and lung cancer is one of them. You need to quit smoking. Regards 