Participants were categorized as smoker, recent quitter (4 years or less), long-term quitter (more than 4 years) or nonsmoker, based on their reported smoking status at each exam
Cigarette smoking involves burning tobacco , which releases nicotine along with tar and thousands of harmful chemicals, many of which are known carcinogens

US regulators probe reports of e-cigarette use causing seizures US regulators said Wednesday they are investigating reports that e-cigarettes -- increasingly widespread in America and elsewhere -- may cause seizures."We have reports indicating that some people who use e-cigarettes, especially youth and young adults, are experiencing seizures following their use," the Food and Drug Administration (FDA) said in a statement.The FDA has reviewed "voluntary adverse event reports," finding "a total of 35 reported cases of seizures following use of e-cigarettes between 2010 and early 2019," it said."We believe these 35 cases warrant scientific investigation into whether there is in fact a connection." The use of e-cigarettes -- colloquially known as vaping -- began to take off among young Americans in the 2010s, and overtook cigarette smoking in 2014.The US categorizes e-cigarettes -- which deliver nicotine, often as part of fruit or sweets-flavored vapor -- as tobacco products, a definition not shared by all countries.The use of e-cigarettes -- colloquially known as vaping -- began to take off among young Americans in the 2010s, and overtook cigarette smoking in 2014Charts showing the prevalence of e-cigarettes and conventional cigarettes in the US high schools

Final Thoughts Smoke is an incredibly dangerous substance for your cat, and it can lead to severe cancers, lung damage, and other health consequences
The information should be factual so as to deter those who would be considering to begin smoking and remove misconceptions such as those who smoke casually are in no danger.