1: Ageing and work
What we need to know about ageing
Different aspects of ageing
Ageing is a complex and continuous process that begins with birth and ends with death. It is a multi-dimensional process of biological, psychological and social changes. The age of a person is normally defined in years and months ( ), but there are also other aspects to age:
A person who is 57 years old according to his or her , may feel like a 50 year old ( ), be fit like a 45 year old ( ) and behave like a 40 year old ( ).
Changes that occur with ageing
People change as they get older. Attributes such as wisdom, strategic thinking and the ability to deliberate, either increase or first emerge with age. Work experience and expertise also accumulate with age. On the other hand, some functional capacities (mainly physical and sensory), decline as a result of the natural ageing process.
Age-related changes in functional capacities are not uniform because they are affected by various factors, such as:
- Environmental exposures, including workplace exposures;
- Genetic predisposition to illness;
- Lifestyle (nutrition, physical activity, tobacco and alcohol);
- Educational level and socioeconomic status; and
This means that there can be considerable differences in functional capacities between individuals with the same .