Which Healthy Messages Work? (IMAGE) Cornell Food & Brand Lab Caption Is it better to be positive or negative? Many of the most vivid public health appeals have been negative -- 'Smoking Kills' or 'Drive, Drive, and Die' -- but do these negative messages work when it comes to changing eating behavior? Credit Daniel Miller Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.