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disease

types of diseases

Diseases caused by external factors

· infectious diseases : caused by a biological pathogen, physical or chemical entering the body through direct or indirect transmission. For example, influenza.

· Social Disease, such as drug addiction and tuberculosis.

· Occupational diseases: the development of certain industrial activities. For example, the hearing loss caused by prolonged exposure to loud noise.

· Diseases caused by trauma, wounds, fractures or tears.

Diseases caused by internal factors

· Diseases congenital and hereditary, caused by abnormalities that often occur during pregnancy or birth, such as hydrocephalus. Hereditary diseases are transmitted through genes from parents to children, such as color blindness.

· functional diseases, caused by alterations in the functioning of any organ. For example, heart disease.

· Mental Illness: are caused by disorders in the functioning of the nervous system and produce changes in the behavior of individuals. For example, schizophrenia.

· Nutritional : caused by a power poor or poor eating habits, such as obesity. Epidemiology



Epidemiology is the science that studies the ways in which diseases affect a group of people in a certain place and time.

· Epidemic: a sudden onset of a disease, which attacks a large number of individuals living in a particular region. To be considered an epidemic, the number of people affected should be higher than usual number of cases expected.

• If a condition persists for years in a particular place, and is endemic .

· Pandemic: When a disease spreads through many countries and continents, exceeds the number of expected cases and persists over time.

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diseases

Health as a result of environmental factors and personal responsibility

According to WHO (World Health Organization) the health is state of complete physical, mental, and social . Not only the absence of disease
Someone be healthy: to feel well in body anatomy and physiology, have harmony in your emotional life and in his mind, and integrate into society and the environment in which it is immersed.

The environment is not only the physical-chemical or biological nature, but also includes so-called socio-cultural factors.

Health should be considered an individual right and social responsibility . Each individual is responsible for their own health care, proper use of medical resources available, and also promote positive health behaviors among those around him. And on the health of each individual is influenced by hereditary factors of their ancestors, but also influenced by other factors such as their profession, their habits and lifestyle.
The state is responsible to ensure the health of the population.

disease is any impairment of health of an individual.

A healthy individual can be affected by numerous pathogens or etiologic agents, also called insults. If the body is superimposed on the influence of the pathogen, maintaining his health, otherwise, the disease occurs.

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Health



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