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Dementia is characterized by impairment of various
ain functions, such as retention, thinking, orientation, learning capability, communication, and decisiveness. However it does not affect the consciousness (WHO, 2008). The most common form of dementia is the Alzheimer’s Disease by contributing a total of 6070% of the cases. Alzheimer ’s disease was discovered in November 25, 1901. It is most prevalent in the age group of 65 years or above and presents with deterioration in recollection, thinking, speaking and learning capacity. Alzheimer’s Disease is basically caused due to the damage and atrophy of neurons, which impairs the memory and learning, then the complete
ain is atrophied(Shafer et al, 2013). Abnormal tau protein (a microtubule-associated protein expressed in neurons) is accumulated In Alzheimer disease(Goedert M, Klug A, Crowther RA ,2006). Age is identified to be the key risk factor related with Alzheimer ’s disease. There is a 50% chance of evolving Alzheimer ’s disease for the individuals above 85 years of age.
In Australia, Alzheimer's disease is the most prevalent form of dementia that exists.( Australian Institute of Health and Welfare, 2012 ). In 2018, an estimated 376,000 people presented with dementia; this number is likely to hike to 550,000 by 2030 and triple by 2050(Australian Institute of Health and Welfare, issuing body, 2018). In 2017,after the ischemic heart disease, dementia and Alzheimer's disease remained the second leading reason of mortality, affecting around 13,729 people(Australian Bureau of Statistics, 2018). The death rate has augmented by 68.0% over the past decade, remaining in the top five foremost reasons of mortality for both sexes(Australian Bureau of Statistics, 2018). In 2018, the disease and its predominance was assessed as 376,000 people(Australian Institute of Health and Welfare, issuing body, 2018). In 2018, nearly 8.7% of the population aged 65 and over were affected with women having a higher prevalence rate.  In 2011, dementia contributed to the fourth leading source of encum
ance of disease, with  People aged 75 and over, accounting for the majority (72%) of the burden(Australian Institute of Health and Welfare, 2012). 
Patient with Alzheimer ’s disease tends to become forgetful, loses track of time and events, have difficulty in communication and might face behavioral changes and difficulty in recognizing near ones at later stages. Alzheimer ’s disease challenges the patient not only by impairing their memory but also develops stress among the patients about becoming a burden to the family, forgetting their loved ones and becoming incapable of self-care. The stresses are not just faced by the patient alone but also the family and the caregivers,. Challenges such as limited time, adjustment with work schedules, lack of privacy and energy, sleep deprivation, anticipation of what is coming for their loved ones and financial resource leads to amplified anxiety and depression among the family and hence a diminished quality of life.
In Australia, due to increased prevalence and incidence of Alzheimer’s disease, there has been a considerable financial load. The government has invested a large sum of money for catering to the health needs and proper care of the individuals affected by dementia. The census reports depicts an estimated cost of $ 11.8 billion in 2011, which was then increased to $14.25 billion in 2016. Experts have predicted an estimated cost of $ 33.6 billion in the year 2050. This cost is increasing rapidly due to the ageing population of the country. The primary cost of the budget is implemented in hospitalization and residential aged care. They also cover the medications, therapies and palliative...