Removing smoking means removing the appetite suppressing effects of smoking, this alone means your body will start to relay the energy intake/deficit better, which will normalise the appetite: this means eating more, which means increased caloric intake, which on its own can lead to weight gain
If you were working on your Wiper Switch at the time with Ignition ON, and the Red wire touched the dashboard with a big spark, you (should) have a good hint as to the cause
It has taken more than 50 years to flatten the mortality curve of lung cancer, in spite of having known all along the best single evidence-based action for entirely preventing lung cancer and other tobacco-caused diseases
What About Vape Juice in carry-on bags

As health advocates modified their approaches to educating the public about the dangers of smoking, environmental tobacco smoke, and the practices of the tobacco industry, the tobacco industry also intensified its efforts to stop or reduce the effectiveness of these campaigns.14 , 25 , 26 , 49 , 50 Although all of the major media campaigns have encountered at least 1 of the strategies outlined, Minnesota served as a testing site for the tobacco industrys strategies because it was the first state (in 1984) to develop a statewide tobacco control media campaign.14 , 26 Prevent the Creation of Media Campaigns Whenever possible, the tobacco industry works to prevent the creation of media campaigns.25 , 26 , 36 In Minnesota, the tobacco industry used political connections to monitor the development of the states media campaign, seeing the 1984 Minnesota Plan for Nonsmoking and Health 24 as a revolutionary attack on our industry.51 (p1) These connections included informal contacts with members of the technical advisory committee responsible for the implementation of the plan
