Tobacco is killer in any form or disguise.COPD and ischemic heart disease (IHD)/coronary artery disease (CAD) may co-exist as they share tobacco abuse as a common risk factor.Hookah (water pipe) smoking, a traditional form of tobacco smoking practiced long ago is now in bloom as a new disguise of tobacco in the form of flavored shisha smoking which is nowadays in vogue across the globe.There are differences in tobacco processing, burning rate and temperature, and the use of additives for burning tobacco.Reports by the WHO and the American cancer society have shown that, in a one-hour hookah...