Tobacco is consumed in two forms named as smoking and smokeless tobacco. The electronic cigarettes are under the form of smoking tobacco. The electronic cigarettes (e-cigarettes) exposure has increased in recent years to the market. Many e-cigarettes contain nicotine, the primary most addictive agent in all tobacco products. We investigated the relationship between e-cigarettes and human health risks. These products may deliver sufficient nicotine for physiological responses and affects the all organs and tissues like nervous, cardiovascular, and pulmonary systems by exhibiting the effects of cytotoxic, decrease in heart rate, and extensive pulmonary damage. The e-cigarettes cannot be regarded as safe even though they are less harmful.
Part of the book: Smoking