'Who needs a flu shot? -- not me'

(Drexel University) What impact do public health messages actually have on us? Are we going to race out and get our flu shot? According to a Drexel University communication researcher, probably not. And it's not because we think we're invincible, it's because we like to think we're immune to the influences of messages in the mass media -- a communications theory termed the 'third-person effect.'