The use of tobacco has been with us for a long time. It has been until recently that the....of smoking tobacco has been studied in depth. Tobacco was long thought to be.... And some confirmed smokers even looked to it as a ..... Practice. New there is very strong evidence that smoking is a hazard to health. Smoking...the throat and respiratory passages and is sometimes.....loss of appetite,nausea shortness of breath and irregulanty....the heartbeat.but even more important smoking.... Cigarette smoking has been associated with chronic and often....disease of respiratory facts...