Concept of Health

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Health is a complex entity which tells us about efficiency of a living being. The World Health Organization (WHO) defined health as “a state of complete
physical, mental, and social well-being and not merely the absence of disease or infirmity. ” The word ‘health’ was derived from the old English word ‘hoelth’, which meant a state of being sound, and was generally used to infer a soundness
of the body. Health is the level of functional and/or metabolic efficiency of an organism at both the micro (cellular) and macro (social) level. In the medical field, health is commonly defined as an organism’s ability to efficiently respond to challenges (stressors) and effectively restore and sustain a “state of balance,” known as
homeostasis. Achieving Optimal Health should be the goal of everyone. Sadly, however, people
often take their health and well-being for granted — especially when they are  young. In order to maintain optimal health, it is imperative to have a well-balanced
lifestyle which would include a nutritious diet as well as mental and social well- being. Key factors that have been found to influence health are as given below:
 • Education and literacy
 • Physical environments
 • Biology and genetics
 • Culture
 • Gender
 • Income and social status
 • Employment/working conditions
 • Health care services
 • Healthy child development

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