Basics: The heart does not care what time of the day it is. Its rhythm reflects the interplay between various factors that trigger increase or decrease in the rate. You can increase the rate by becoming active, which triggers the metabolic demand. You can also trigger an increase just by having anxiety, which releases stress factors that do it. You may just focus attention on it & worry will do it.
Answered 11/18/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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