The chemical composition of cigarettes, including the presence of ammonia, carbon monoxide, and hydrogen cyanide, among approximately 7,000 chemicals, contributes to the potent odor and toxicity of cigarette smoke
She was actually comfortable. One dentist was candid enough to admit that we are negligent towards tobacco, both smoking and smokeless tobacco. It took a woman client who used chewing tobacco and developed a clinical oral mucosal condition, which later turned into a premalignant condition, to alert him to the need to better protect patients
On beaches, sunseekers also contributed to the problem of marine trash, casting off cans, bottles, butts, and other refuse
Neurosci Lett 2006