Based on current studies, a person suffering from a heart attack can attempt "cough CPR" where they cough to ease the symptoms.
2 answers:
The answer is True its mentioned that in 1999 they used it as a technique
Its false although they used it in the older days today they dont seem to use it
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Answer:
because it is where they are dominated
I think it might be A. By helping them stay healthy enough to work