Differentiate the infective and non-infective diseases.

1.	Differentiate the infective and non-infective diseases.
Answer» 1. Infectious diseases can be spread from person to person. Non-infectious diseases can not be spread from person to person. 2. Infectious diseases are caused by pathogens (microbes) which are disease causing organisms. The major group of pathogens (microbes) are viruses, bacteria, fungi, single cell organisms like protozoans, multicellular organisms like worms. Non-infectious diseases are not caused by Pathogens (microbes), but can be caused by physiological malfunctions, environmental or chemical factors, heredity, unknown causes. These are mostly internal, non-infectious causes. 3. Examples of infectious diseases are Viral, diseases, bacterial etc. Example for non infectious causes are some cancers caused by genetic abnormalities and high blood pressure caused by excessive weight and lack of exercise.

Answer»

1. Infectious diseases can be spread from person to person. Non-infectious diseases can not be spread from person to person.

2. Infectious diseases are caused by pathogens (microbes) which are disease causing organisms. The major group of pathogens (microbes) are viruses, bacteria, fungi, single cell organisms like protozoans, multicellular organisms like worms. Non-infectious diseases are not caused by Pathogens (microbes), but can be caused by physiological malfunctions, environmental or chemical factors, heredity, unknown causes. These are mostly internal, non-infectious causes.

3. Examples of infectious diseases are Viral, diseases, bacterial etc. Example for non infectious causes are some cancers caused by genetic abnormalities and high blood pressure caused by excessive weight and lack of exercise.

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