Mind map:: chapter 13 : Why do We Fall Ill??

Mind Map: Why Do We Fall Ill?

Health and Disease

• Health: State of well-being
• Disease: Disruption of normal function

Health is a state of physical, mental, and social well-being in which disease and infirmity are absent. Disease refers to a condition that disrupts the normal functioning of the body or mind.

Types of Diseases

• Infectious
• Non-Infectious

Diseases can be broadly classified into two categories: Infectious (caused by pathogens) and Non-Infectious (caused by genetic, environmental, or lifestyle factors).

Causes of Diseases

• Biological
• Environmental
• Genetic
• Lifestyle
• Deficiency

• Biological: Caused by microorganisms (e.g., bacteria, viruses)
• Environmental: Pollution, climate change
• Genetic: Inherited from parents
• Lifestyle: Poor diet, lack of exercise, substance abuse
• Deficiency: Lack of essential nutrients (e.g., vitamins, minerals)

Infectious Diseases

• Pathogens
• Transmission
• Prevention

Infectious diseases are caused by pathogens (viruses, bacteria, fungi) and spread through transmission routes like direct contact, air, or vectors (e.g., mosquitoes). Prevention includes hygiene, vaccination, and proper sanitation.

Immune System

• Natural Defenses
• Acquired Immunity
• Immunization

The immune system defends the body against harmful invaders. It includes natural defenses like skin and mucus and acquired immunity through antibodies formed after exposure to pathogens or vaccines.

Prevention & Treatment

• Healthy Diet
• Medicines
• Healthcare

Prevention includes healthy living, proper nutrition, regular exercise, and vaccination. Treatment involves using medicines, therapies, or surgeries to manage or cure diseases.

Non-Infectious Diseases

• Chronic Diseases
• Lifestyle Impact
• Genetic Factors

Non-infectious diseases, such as heart disease, diabetes, and cancer, are caused by a combination of genetic factors, lifestyle choices, and environmental influences.

Conclusion

• Balanced Lifestyle
• Avoidance & Prevention

Maintaining a balanced lifestyle with good nutrition, physical activity, and mental well-being is essential to prevent diseases. It is better to avoid risk factors than to treat illnesses later.