Aging is the process of growing older and showing a progressive deterioration of bodily function over a period of time. It is the result of a series of chemical activities in our bodies failing or malfunctioning.

Aging is known as ‘senescence’ – the state of aging. The word itself comes from the Latin word ‘senex’, meaning "old man" or "old age."

Senescence is the process of cellular aging. It is the process of growing older and showing a progressive deterioration of bodily function over a period of time. It is the result of a series of chemical activities in our bodies failing or malfunctioning.

Premature aging occurs when your organs cease proper function before a reasonable lifespan has been achieved, what we normally refer to simply as ‘aging’.