 [ Symptoms ] i feel like i am not getting enough air when breathing normallly so i have tried smoking multiple times with friends probably a grand total of 7 10 times including cigarettes marijuana and hashish over a span of 5 years it does not hurt and does not affect my daily life but it still does bother me and to be frank just scares me  i know that smoking does cause lungheart disease my family does have a history of heart disease and strokes and i personally have a minor case of asthma using my inhaler which the last time i used was 5 6 years ago helps [ Disease ] an endoscopy procedure is performed on an as needed basis an upper endoscopy looks at your esophagus stomach and upper part of the small intestine upper endoscopies are routinely used to check for ulcers and gastroesophageal reflux if you were diagnosed with gerd chances are your health care provider put you on some sort of medication to treat the condition it is important to take that medication exactly as prescribed if you are continuing to have symptoms even though you are taking your medication then you should talk to your health care provider again he or she may want to change your medication or add another medication to help control your symptoms your provider may also want to repeat the upper endoscopy procedure to determine if you have other damage to your stomach or esophagus it is generally considered safe to repeat an upper endoscopy after 18 months i hope this answers your question