Optimal healthy life includes -
Determinants of health 

Following determinants of health provide good health, optimal health or positive health.

Genetic configuration → Genetic constitution of an individual can affect the health e.g. G-6-PD deficiency.
Level of development → Economic and social development helps to improve health status. 
Life style → Moderate physical activity, cessation of smoking and regular exercise prevent the occurence of CHD. Adequate nutrition, sound mind (mental peace) and enough sleep also promote health.
Environment → Proper sanitation, adequate safe drinking water and low level of atmospheric pollution promote health.
Health infrastructure → If primary health care facilities are available in the vicinity and such facilities are utilized by population, the health of individuals and communities is bound to improve.
Moderate physical exercise
Sufficient nutrition
Mental peace
All of the above