list the causes of diseases
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A disease may be caused by external factors such as pathogens or by internal dysfunctions. ... There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases.
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Human health is effected by various factors:
1– intrinsic factors (internal)
These basically exist within the human body. These include...improper nutrition,
Genetic issues,hormonal imbalance.
Example: heart attack,cataract
2–Extrinsic Factors(external)
The disease causing pathogens enter our body.these may include... bacteria,protozoan,viruses
Example: chickenpox,dysentary,influenza
1– intrinsic factors (internal)
These basically exist within the human body. These include...improper nutrition,
Genetic issues,hormonal imbalance.
Example: heart attack,cataract
2–Extrinsic Factors(external)
The disease causing pathogens enter our body.these may include... bacteria,protozoan,viruses
Example: chickenpox,dysentary,influenza
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