According to Hess ageing is An inevitable and irreversible biological process of life.
Ageing is universal, it occurs in all members of the population, unlike disease. Ageing is progressive; it is a continuous process. Ageing is intrinsic to the organism. Ageing is degenerative. In India the size of ageing population is continuously increasing. Higher longevity andl ower mortality have resulted in the increase in the number of ageing population in India.
As one ages, there is a tendency for various parts of the physical body to begin deteriorating. There is a sense of being neglected by others in the family, or even in the neighbourhood leading to loneliness.Many aged are fully or partially dependent for financial support on their families.they may not have access to health care of any kind – for physical or psychological ailments.
Example: The youth, younger adults and care givers may also fail to understand the problems of the aged give rise to the problem of ageing