Up in smoke

Realizing that their star product, tobacco, might well go out of fashion, even sworn rivals in the tobacco world colluded to protect their common source of profit. These companies created a deliberate smokescreen around the compelling scientific research showing that tobacco was harmful to health. They poured in money to induce other scientists to question these studies to ensure that the public remained in doubt. Their actions were clearly unconscionable, as they subtly promoted an addictive substance through behind-the-scenes manipulation