Answer: A you are using a drug for no reason.
Explanation:
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Answer:B.Atherosclerosis is characterized by plaque buildup.
Explanation: Atherosclerosis is caused by the deposition of the plaque that makes the walls of the arteries thinner than they usual are and as they get blocked this can result to heart attack .
Go running
go swimming
working your muscles and ligments
I beleive it is yes, yes, no, yes