Can whispering frequently cause physical affects on the body?

I have a vocal issue, so I have to constantly whisper to get my point across. I was wondering if constant whispering could affect the rest of the body with symptoms such as fatigue or a stiff body. I ask this because I’ve notice my heart races more frequently and a loss of balance ever since I’ve started this whole whispering thing..

Can whispering frequently cause physical affects on the body?
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