Ashwin Kumar

Health, for a long time, was considered as a state of body and mind where there was a balance of certain ‘humors’. But it was disproved good humor hypothesis of health by William Harvey using experimental methods and the demonstration of normal body temperature.Later it was stated that mind influences, through neural system and endocrine system, our immune system and that our immune system maintains our health. Mind and mental state can effect our health.
The term health is very frequently used by every one. How do we define it? Health does not mean simply ‘absence of disease’ or ‘physical fitness’. It could be defined as state of complete physical, mental and social well being. When people are healthy, they are more efficient at their work. This increase productivity and bring economic prosperity. Health also increase longevity of people and reduce infant and maternal mortality.
Balance diet personal hygiene and regular exercise are very important to maintain good health. Yoga has been practiced since time immemorial to achieve physical and mental health. Awareness about disease and their effect on different bodily functions, vaccination(immunization) against infectious diseases, proper disposal of wastes, control of vectors and maintainance of hygienic food and water resources are necessary for achieving good health.
When the functioning of one or more organs or systems of body is adversely effected, characterized by various signs and symptoms, we say that we are not healthy ,i.e., we have a disease. Diseases can be broadly grouped into infectious and non-infectious. Disease which are easily transmitted from one person to another, are called infectious diseases, Infectious diseases are very common and everyone suffers from these at sometime or other, Some of the infectious diseases like AIDS are fetal. Among non-infectious diseases, Cancer is the major cause of death.