{"id":6372,"date":"2023-02-05T06:22:44","date_gmt":"2023-02-05T06:22:44","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=6372"},"modified":"2024-12-02T06:39:03","modified_gmt":"2024-12-02T06:39:03","slug":"s-24-c-causes-of-diseases","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-24-c-causes-of-diseases\/","title":{"rendered":"S-24.c Causes Of Diseases"},"content":{"rendered":"\n

Causes Of Diseases<\/strong><\/h2>\n\n\n\n

Key Notes:<\/p>\n\n\n\n

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  1. Pathogens:<\/strong> Diseases are often caused by microorganisms called pathogens. Common pathogens include bacteria, viruses, fungi, and parasites.<\/li>\n\n\n\n
  2. Bacteria:<\/strong> Bacterial infections are caused by harmful bacteria. Examples include streptococcus, E. coli, and tuberculosis bacteria.<\/li>\n\n\n\n
  3. Viruses:<\/strong> Viruses are tiny infectious agents that can only replicate inside living host cells. Examples include the flu virus, HIV, and the common cold virus.<\/li>\n\n\n\n
  4. Fungi:<\/strong> Fungal infections, such as athlete’s foot and ringworm, are caused by fungi. These organisms thrive in warm, moist environments.<\/li>\n\n\n\n
  5. Parasites:<\/strong> Parasitic diseases are caused by organisms that live on or inside a host organism and rely on the host for nutrition. Examples include malaria (caused by the Plasmodium parasite) and intestinal worms.<\/li>\n\n\n\n
  6. Genetic Factors:<\/strong> Some diseases are caused by genetic factors, meaning they are inherited from one’s parents. Examples include cystic fibrosis and sickle cell anemia.<\/li>\n\n\n\n
  7. Environmental Factors:<\/strong> Environmental factors like pollution, exposure to toxins, and radiation can contribute to the development of diseases. For example, smoking can lead to lung cancer.<\/li>\n\n\n\n
  8. Lifestyle Choices:<\/strong> Unhealthy lifestyle choices, such as a poor diet, lack of exercise, excessive alcohol consumption, and drug abuse, can increase the risk of various diseases like heart disease and diabetes.<\/li>\n\n\n\n
  9. Poor Hygiene:<\/strong> Not practicing good hygiene, including handwashing and proper food handling, can lead to the spread of diseases, especially those caused by bacteria and viruses.<\/li>\n\n\n\n
  10. Contaminated Water and Food:<\/strong> Consuming contaminated water or food can result in diseases like cholera and food poisoning.<\/li>\n\n\n\n
  11. Vector-Borne Diseases:<\/strong> Some diseases are transmitted to humans through vectors like mosquitoes and ticks. For example, malaria and Lyme disease are spread this way.<\/li>\n\n\n\n
  12. Immune System:<\/strong> A weakened immune system can make individuals more susceptible to infections and diseases. This can result from conditions like HIV\/AIDS or certain medical treatments.<\/li>\n\n\n\n
  13. Vaccination:<\/strong> Vaccination helps prevent many infectious diseases by stimulating the immune system to produce antibodies against specific pathogens.<\/li>\n\n\n\n
  14. Heredity:<\/strong> Some diseases, like diabetes and certain types of cancer, can have a hereditary component, meaning they run in families due to genetic predisposition.<\/li>\n\n\n\n
  15. Age:<\/strong> The risk of developing certain diseases may increase with age. For example, the risk of arthritis and Alzheimer’s disease tends to rise as people get older.<\/li>\n<\/ol>\n\n\n\n

    Let’s practice!<\/strong><\/p>\n\n\n\n

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