During the last few decades inordinate attention has been paid to the promotion of ‘healthy’ living. This has come from governmental, academic, commercial and popular sources. Few people today can be unaware of the espoused merits of such a lifestyle. Anyone who has visited a supermarket recently, turned on the television, listened to the radio or read a magazine must have noticed that awareness of health issues is growing. Health is clearly a topical issue at both political and cultural levels