Health and Disease

Define health as a comprehensive state of physical, mental, and social well-being, rather than simply the absence of illness.
Explain the complex relationship between health and disease, noting how factors like diet, stress, and life situations impact overall well-being.
Differentiate between communicable (infectious) diseases caused by spreading pathogens and non-communicable diseases (like cancer and diabetes).
Describe the various ways in which pathogens can infect plants and animals through direct contact, water, or air.

What you need to know