The document discusses how positive moods can influence message processing and the effectiveness of fear appeals. Specifically, it states that when people are in a positive mood, they are more influenced by peripheral cues like source expertise than argument quality. It also suggests that positive moods may reduce cognitive capacity or motivation to critically evaluate arguments. The document then discusses how fear appeals work best when they arouse a high level of fear, emphasize severe threats that are relevant to the audience, and suggest the audience can do something to alleviate the threat.