Answer :
I believe it use the principle of classical conditioning.
Radio shows that promote health behavior like this tend to associate actions such as smoking or unhealthy died to various form of negative effects (such as weaker physique, less attractive for opposite sex, ect), this would most likely make the listeners to follow the advice made by the radio show.
Radio shows that promote health behavior like this tend to associate actions such as smoking or unhealthy died to various form of negative effects (such as weaker physique, less attractive for opposite sex, ect), this would most likely make the listeners to follow the advice made by the radio show.