Answer:
<em>398 deaths were caused by Alzheimer.</em>
Explanation:
Proportionate mortality rate (PMR) gives the proportion of deaths in a given population over a period of time, this can be linked to various causes.
Mathematically PMR is reoresented below;
PMR =
X 100
where
= No. of death from a specific cause (In our case Alzheimier )
= Total No. of death at a given period
from the question the parameters were given except the number of death from Alzheimier
1.87 =
multiply both side by 21,270 to isolate 
= 1.87 x 21,270
Divide both side by 100 to obtain 
= 
= 397.749
since dead people can not be divided
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<em> </em>
The stress? Bad eating habits due to lack of money and time? There could be lots of reasons but that's what came to mind first.
Answer:
You would say that you should look further into it to see if it really isn’t harmful.
Explanation:
:D