INTRODUCTION

Man has journeyed far and wide to come to the present state of science and technological development and achievements. Social and life values are accentuated. Immense and continuous efforts are focused on improving and enhancing the quality of life. In pursuance of excellence and in ensuring existence of the human race, healthcare and its business has become a towering giant in the world economy. Unfortunately, its sciences, knowledge and practices emphasized and narrowed into the corrective treatment of sickness and diseases instead of preventive healthcare.