A state of complete physical, social and mental well-being and not merely the absence of disease or infirmity.
Factors affecting health- individual factors
Genetic make-up, gender and age, over which we have no control of can influence our health.
Growing older increases the risk of developing problems with vision or movement.
Some people are born with genetic diseases.
Research suggests that males are more likely to develop CHD than females.
Behaviour and lifestyle factors
Smoking, alcohol consumption, taking drugs, exercising, diet and sexual activity - factors that could influence health and life expectancy.
Some individuals find it hard to make healthy choices due to personal circumstances such as unemployment.
Support given by friends and family influencing our behaviour and lifestyle.
Individuals with strong social ties are more likely to be healthier than those who are socially isolated.
Research suggests that unemployment, drug and alcohol misuse and living alone can contribute to the incidence of suicide.
Issues in society
The values and expectations in society can impact on our health, such as not smoking in enclosed public places.
This makes the environment smoke-free and reduces the risk of diseases associated with smoking.