![]() ![]() Even in the middle of the night, your brain is processing sound," he said. This is why our alarms wake us up in the morning, said Davies. "While we might not wake up, we might not be annoyed or disturbed by a sound, we're still going to register those sounds and our nervous system is still going to process that," said Oimao, an associate professor in geography and environmental studies at Toronto Metropolitan University. Our nervous systems have evolved to be constantly on guard, and that includes hearing, Tor Oiamo told Dr. Noise regulations in North America are generally piecemeal, experts say, and tend to focus on things like parties or concert venues, instead of the sources of noise that actually cause us the most harm: noises from transportation.īut there is plenty of research to show that being regularly exposed to loud traffic noises, as many Canadians are on a daily basis, can have harmful long-term health effects beyond just our hearing. Transportation noise is the most common and most studied noise exposure, experts say.
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