Some warning labels can make products like cigarettes more appealing

Many products, like cigarettes and medications, are stamped with warning labels alerting consumers to their risks. Common sense suggests these warnings will encourage safer choices.But now Dr. Yael Steinhart of Tel Aviv University's Recanati Business School, along with Prof. Ziv Carmon of INSEAD in Singapore and Prof. Yaacov Trope of New York University, has shown that warning labels can actually have the opposite effect.