Health Issues
Biology: Cambridge International GCSE Supplement, topic 10.1.1
Health Issues
Health is a state of physical and mental well-being. Disease is a major contributor to ill health. Other factors include diet, stress and life situations.

Types of disease
- A pathogen is a disease-causing organism.
- Disease can be subdivided into two categories:
- Transmissible diseases, which can be spread between hosts.
- Non-transmissible diseases, which cannot be spread between hosts.
Test yourself on Health Issues
Which of the following is the best description of health?
What are the main components of health?