Despite dramatic improvements in health and life expectancy over the last century, on average people spend 50% of their lives in less than good health and 12% in poor health – a ratio that has not changed over past 50 years. A new vision requires a modernized understanding of health, including physical, mental, social, and spiritual health, and the full richness of factors that influence those elements of holistic health. Factors influencing human health fall into four groups - personal attributes, personal behaviours, environmental attributes, and interventions.