Non-communicable diseases

3. a chemical that can inhibit neuronal impulses slowing down reactions, and can cause liver cirrhosis and cancers in the long term
5. a type of radiation that has enough energy to cause ionisation in the materials it passes through, which in turn can make them
6. a mechanism that explains how one factor influences another
10. a type of tumour that invades neighbouring tissues and spread to different parts of the body in the blood where they form secondary tumours. They are also known as cancers
11. an apparent link or relationship between two factors
12. a mass of abnormally growing cells that forms when the cells do not respond to the normal mechanisms that control growth and when control of the cell cycle is lost
13. the type of artery that can be blocked by fatty deposits leading to angina or a heart attack

1. active and may result in mutation and cancer
2. a disease not caused by a pathogen but linked to risk factors
4. growths of abnormal cells that are contained in one area, usually within a membrane, and do not invade other tissues
6. an abbreviation of coronary heart disease
7. agents that cause cancer or significantly increase the risk of developing cancer
8. caused by a diet with a very high energy content exceeding the metabolic demand, this is a risk factor for type 2 diabetes
9. the common name for a malignant tumour, formed as a result of changes in cells that lead to uncontrolled growth and division