Most tactics they use are ethos showing that a famous person consumes tobacco and you should consume it too. Many movies show most of their protagonists smoking tobacco to show people that they look cool. They use a lot of commercials to show how tobaccos is very addicting and you should try it too. Advertisers try to convey the audience, it's technically psudoscience. Since they don't have evidence to prove that tobbacco is good for you and healthy, but if they did it would probably disturb the consumers.
It is a synthetic version of the hormone testosterone they are used medically to promote tissue growth.
The answer is obsessive-compulsive disorder. Compulsive and usually unwanted thoughts and actions (rituals) are the common features of the disorder. Although OCD is usually associated with repeating the actions over and over, such as obsessive hand-washing or having to flick a light switch a certain number of times, many people who suffer from OCD struggle with frequent unwanted thoughts and images.
Pretty sure the answer is D
