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Categories of Diseases

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notes

Types of disease:

Acute Disease:

  • Acute disease lasts for only a short period of time.
  • It is caused in due course time.
  • It does not cause major effect on general health.
  • Example: cough, dysentry.

Chronic disease:

  • Chronic diseases last for a long period of time
  • It is caused in due course of time.
  • It causes major effect on general health.
    Example: Elephantiasis, heart disease, tuberculosis.

notes

Difference between Infectious and Non-infectious Diseases:

Infectious or Communicable Diseases:

  • They are caused by attack of pathogens.
  • The diseases brought about by exitinsic or external factors.
  • Infectious diseases can pass from diseased person to a heathly person.
  • Transmission of infection occurs through direct contact or some medium (air, water, vectors).
  • Community hygiene can reduce the incidence of infections diseases
  • Example: Cholera, Tuberculosis (TB), Pneumonia, Chickenpox.

Non-Infectious or Communicable Diseases:

  • They are not caused by pathogens.
  • The diseases are mostly brought by intrinsic or internal factors.
  • Non-infectious diseases cannot pass from one person to another.
  • Transmission is absent, However hereditary diseases are transmitted from parent to offspring.
  • Community hygiene is ineffective in reducing the incidence of non-infectious diseases.
  • Example: High blood pressure, Heart, disease, Cancer.
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Shaalaa.com | Acute and Chronic Diseases

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