Turning back the hands of time.

"Mrs Smith, we now have all the information obtainable from your medical history and tests and we find that you are 60-3 years old." "But doctor, there must be a mistake," says the thoroughly startled Mrs Smith, "I am only 50 years old." Mrs Smith, having had a check-up at a clinic using a computerised risk factor appraisal system, now learns that because of her bad habits and life-style she stands the same chance of dying as a 60 year old. But, the doctor reassures her, she could lower her health-appraisal age by 3 7 years if she lost weight and took her blood pressure pills; by 1 5 years if she stopped smoking