obacco is a risk Factor for 6 of the worlds 8 Leading Causes of Death Other tobacco caused Cerebro- HIVIAIDS Diarrhoeal Tubercu Trachea obacco use vascula respiratory obstructive diseases brochu disease disease lung cancers Hatched areas indicate proportions of deaths related to tobacco use.Hatched areas indicate proportions of deaths related to tobacco use. Tobacco Is a Risk Factor for 6 of the World’s 8 Leading Causes of Death