English
CISCEICSE ICSE Class 8
Textbook Solutions7742
Concept Notes & Videos275
Syllabus

Disease

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Topics

  • Introduction
  • Identification of disease

Introduction:

The word is actually self-explanatory; we can think of it as ‘disease' or 'disturbed ease.' Disease, in other words, literally means being uncomfortable.

A disease is an abnormal condition that harms the structure and function of organs, tissues, or parts of a living organism. It’s important to note that a disease is not caused by a sudden external injury. Instead, it is a medical condition with specific signs and symptoms.

  • Every disease has an origin. But there are certain diseases that are difficult to diagnose because of the confusing symptoms.
  • The diseases may be autoimmune, bacterial, cancerous, digestive, sexually transmitted, etc. They can be cured by a number of strategies, such as antibiotics, other medications and surgeries.
  • Antibiotics are the drugs that block the biochemical pathways of bacteria that cause diseases.
  • These do not work against viral infections because the viruses depend upon the biochemical mechanisms of the host.

Identification of Disease:

A disease is associated with symptoms. In other words, our body shows certain indications with which we can assume that we may be suffering from a disease.

  • Different parts of the body perform specific functions. If any of these functions are disrupted, it indicates that something is not functioning properly within the body or there has been a change. This is often a symptom of a disease.
  • Symptoms just indicate that there is a disease. They do not indicate the exact type of disease.
  • Doctors often look for signs of a disease to determine the exact problem. These signs, unlike symptoms, are more definite indications of a disease. Sometimes, laboratory tests are also performed to diagnose a disease.
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