What is the difference between health and disease

 Health Disease
Health is the normal condition of a living being where functional or metabolic efficiency are appropriate.Disease is an abnormal condition or malfunction affecting the  functional or metabolic efficiency of an organism.
Individual is free from illness, injury or pain.Individual is associated with illness, injury or pain.
Health increases longevity of peopleDisease decreases longevity of people, and people die soon.
Healthy individual are more efficient at work as compared to diseased one.Diseased individual are less efficient at work as compared to healthy ones, they have to be dependent on medicines.

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Health is the level of functional or metabolic efficiency of a living organism. In humans, it is the general condition of a person's mind and body, usually meaning to be free from illness, injury or pain (as in "good health" or "healthy"). The World Health Organization (WHO) defined health in its broader sense in 1946 as "a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity."Although this definition has been subject to controversy, in particular as lacking operational value and because of the problem created by use of the word "complete," it remains the most enduring.Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.Classification systems such as the WHO Family of International Classifications, including the International Classification of Functioning, Disability and Health (ICF) and the International Classification of Diseases (ICD), are commonly used to define and measure the components of health.

Systematic activities to prevent or cure health problems and promote good health in humans are undertaken by health care providers. Applications with regard to animal health are covered by the veterinary sciences. The term "healthy" is also widely used in the context of many types of non-living organizations and their impacts for the benefit of humans, such as in the sense of healthy communities, healthy cities or healthy environments. In addition to health care interventions and a person's surroundings, a number of other factors are known to influence the health status of individuals, including their background, lifestyle, and economic and social conditions; these are referred to as "determinants of health."

A disease is an abnormal condition that affects the body of an organism. It is often construed as a medical condition associated with specific symptoms and signs. It may be caused by factors originally from an external source, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases. In humans, "disease" is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries, disabilities, disorders, syndromes, infections, isolated symptoms, deviant behaviors, and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories. Diseases usually affect people not only physically, but also emotionally, as contracting and living with many diseases can alter one's perspective on life, and one's personality.

Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease. Diseases can also be classified as communicable and non-communicable disease.

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Health has been defined by the WHO as 'a state of complete physical, mental and social. well-being and not merely the absence of disease or infirmity'.

Disease can defined as the 'bodily disorder', or a 'disordered state of an organ or organism'.

The basic difference between health and disease is that health is the parameter of wellness while disease is the cause of being unwell.

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  • It is a state of physical, mental and social well-being.
  • When people are healthy, they are more efficient at work. This increases productivity and brings economic prosperity.
  • Health also increases longevity of people and reduces infant and maternal mortality.
  • Balanced 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.


  • Disease is a disorder or malfunction of the mind or body, which leads to a departure from good heal.
  • Disease is diagnosed by a doctor after analyzing the symptoms (physical and mental signs).
  • Diseases are said to be infectious or communicable if pathogens can be passed from one person to another.

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