shortness of breath from smoking cigarettes Does make you tired? Effects on the lungs, heart, and more Tobacco Addiction: Symptom, Causes, Effect,

Smoking is injurious to health so even if your favourite actor or celebrity has a habit of smoking, dont follow them.

Heartburn Heartburn is a consequence of acid reflux or GERD

"2 Relevance to Public Health 2.1 Background and environmental exposures to cyanide in the United States" (PDF)

Electronic cigarette use is explicitly prohibited by Knox County Board of Education policy, which states, Students shall not use, possess, or distribute illegal drugs or alcoholic beverages or any tobacco products or electronic cigarette devices or be under the influence of illegal drugs or alcoholic beverages in school buildings or on school grounds, in school vehicles or buses, or at any school-sponsored activity at any time, whether on or off school grounds. The policy continues that students are not to market or distribute any substance which is represented to be or is substantially similar in color, shape, size or markings to a controlled substance on school property, in school vehicles or at any school-sponsored initiative regardless of where its held