deletions | additions       diff --git a/Dementia_is_a_progressive_decline__.tex b/Dementia_is_a_progressive_decline__.tex  index c537a98..6ee6acc 100644  --- a/Dementia_is_a_progressive_decline__.tex  +++ b/Dementia_is_a_progressive_decline__.tex 
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Dementia is a progressive Progressive  decline of cognitive functions of the human brain associated with gradual death of neurons. neurons is a more general condition named dementia.  Prominent symptoms of dementia are loss of memory, mood changes, and problems with communication and reasoning.  Alzheimer's disease (AD) is the most common form of dementia contributing to $60-70\%$ of cases \cite{who2015}.  It primarily affects the ageing aging  population and the risk increases with age. The increment of longevity in most parts of the world due to the advancement of medical science and consequently better health care can cause a significant rise in the incidence of AD in coming years.  The number of people with AD is predicted to be SOME NUMBER \cite{SOME_PAPER} by SOME DATE and the health care cost of AD is predicted to be around SOME NUMBER by SOME DATA \cite{SOME_PAPER}.  The exact mechanisms of AD is not well known. It is imperative to improve our understanding of AD to alleviate the growing socio-economic impact of AD in the world.