Class 9 Biology Why Do We Fall Ill Causes of diseases

Causes of diseases

Diseases are caused as result of following reasons:

  • Lack of nutritious and sufficient food.

  • Unhealthy and dirty surroundings.
  • Contact with an infected person.
  • Using the personal belongings of an infected person.
  • Eating untreated water and food from an unclean and unhygienic place.
  • Lack of hygienic practices.

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