Physiological and Psychological Changes Among the elderly

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Old age has always raised a host of intriguing issues caused by the rapidly growing number of elderly persons in the society. Various effects have been associated with old age not limited to economics of non-market behavior but also covering both psychological and physiological being (Posner, 1997, p. 1). It is always defined by wrinkled and drawn faces, partial or complete baldness and haggard muscles coupled by a number of geriatric illnesses that come as a result of the weakening of the body’s immune system. The human body is always in a continuous growth process forming a sigmoid curve whereby at the earlier stages of life, the body is strong enough to fight off diseases and maintain optimum functioning of the physiological body activities. However, with time, the body’s ability to fight off diseases gradually reduces backed by a number of factors such as individual lifestyle, nutrition and genetic composition. During the later stages of life, the body is on a decelerating phase usually characterized by low immunity and reduced psychological and physiological activity. Chronological age may be used as a criterion for late adulthood. However, several other criterion may be used in assessing a person’s age.

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