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What's that sound? It's an electronic whistle from sports officials because of COVID-19 | Pittsburgh Post-Gazette
Hearing risk of referee whistles
Article claiming link between referee whistles and heart problems in athletes is fake - Full Fact
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Whistles May Harm Referees' Hearing, Study Says - The New York Times
We may not have to worry about referees swallowing their whistles anymore - The Boston Globe
Holland Doctors of Audiology - Referees may WANT earplugs for when people yell at them but, they NEED hearing protection from their whistle! :-) It's not uncommon, over time, for refs to
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Climate change, cold air, making your bed, exercising, and now whistles cause heart attacks, They think
Reuters Fact Check on X: "A screenshot purporting to show a headline published by the Irish Examiner warning that referee whistles may cause sudden heart complications for athletes is digitally altered and
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We may not have to worry about referees swallowing their whistles anymore - The Boston Globe
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Whistle blowing may cause refs hearing loss | CBC News
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Electronic Referee Whistles As Alternative for Sports Officials During COVID-19 | Blog | Ump-Attire.com
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