1: What is the effect of showing smokers graphic warnings on cigarette packs?
When doctors are asked this question, “In general, they believe that the images will decrease smokers’ desire for a cigarette and motivate them to quit,” writes Kelly McGonigal in her terrific book The Upside of Stress.
Actually, studies show the warnings have the opposite effect.
“The most threatening images (say, a lung cancer patient dying in … continue reading