Author(s): Mahima Rana and Gita Bisla

Abstract:
A group of processes that take place in living organisms from birth to death called aging, and this process linked with functional, structural and morphological alterations. These changes arise at the whole-body level, cellular level, and the tissue level. In the human body, there are many physical changes specifically seen at every stage of life. Although every person experiences a unique pattern of growth and development but during early stages of life these changes are known as growth and development. These changes affect inner permanence and enhance the risk of many universal unrelieved and aging-associated diseases, including, respiratory diseases, type 2 diabetes mellitus, and cardiovascular disease, several types of cancer, Alzheimer’s disease and osteoporosis, arthritis, hormonal changes, nervous system changes. Changes in body composition also include in aging process.

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