Viewed from a sociological perspective, deviance is hardly objective. Rather, it is subject to social definitions within a particular society; in most instances, those individuals and groups with the greatest status and power define what is acceptable and what is deviant. For example, despite serious medical warmings about the dangers of tobacco as far back as 30 years ago, cigarette smoking continued to be accepted in good part because of the power of tobacco farmers and cigarette manufacturers. It was only after a long campaign led by public health and anticancer activity. Today many state and local laws limit where people can smoke.