There are accumulative evidences that the prevalence of cigarette smoking has gradually declined in most high-income countries since the 1990s, in part due to public health campaigns emphasizing on the relationship between tobacco use and detrimental health effects. In late 2000s electronic (e)-cigarettes were introduced in the world, as less harmful nicotine products that may also help people in quitting smoking. Since then, the use of e-cigarettes has increased rapidly from the time when their introduction in the global market. In this work we present a collection of position statements and opinions of scientific bodies and Organizations, regarding the safety of e-cigarettes, as well as their association with human health, and particularly, cardiovascular diseases.