C. reflex also called Autonomic reflex.
The main thing would be to not smoke. But also if you are around someone who smokes, try to limit interaction with them while they are smoking. second hand smoke can be just as deadly. Also doing things like using smoke free facilities, like smoke free hotel rooms and restaurants.
In todays culture, online adds and social medias, stress the ideal body image to be nearly impossible to maintain. For example, popular icons are always a big influnce to people, inspirering plastic surgery to alter their appearence to have the 'ideal body image'. However, there are some positive impacts tecnology, and social medias can encourage. That being; helping people find their style, or inspireing them to work twards something they want to achive. In all honnesty it depends on how you take in what social midia, adds, and tecnoligy puts out for you.
(please excuse any typos, you may need to proof read.)