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OET READING PART B SET 3 Q2

2.
The number of people with dementia is estimated to double every 20 years and will reach approximately 40 million worldwide by 2020 due to the increasing aging of the world's population. There are 9.9 million new cases of dementia each year,and so health care costs will increase exponentially over time. It has been hypothesized that if the onset of Alzheimer's disease (AD), the most common type of dementia, could be delayed in all patients by 2 years, the worldwide prevalence in 2050 might be 22 million lower than the current estimates, which would significantly reduce the associated costs.It is now well established that dementia includes a long phase of preclinical pathological changes that occur prior to the manifestation of clinical symptoms. Hence, it is necessary to identify modifiable factors and early interventions that can be a focus of therapy during these preclinical or prodromal stages of the disease.

Q2.The main concern of the paragraph is about;

A) importance of  preventable factors in dementia

B) the cost of dementia treatments.

C) increasing number dementia cases over the years.



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