The human ear is sensitive to a wide range of frequencies but we hear most sounds in the 2000-4000 Hertz range. If the danger is not real, as it is with many noises that we experience every day, this leads to irritation. That raises the adrenaline level and increases the heart rate. Many sounds of a particular frequency and decibel level are perceived by the brain as a potential attack (such as alarms, sirens or horns) and evoke a sense of emergency. The human brain is programmed to protect itself from any harm and to become alert and anxious when it picks up danger. However, as it can be difficult to avoid on occasions, people usually become annoyed and irritable when exposed to it. Noise is an inevitable part of our everyday lives and unfortunately, it can be detrimental to our hearing. We experience all sorts of noises throughout the day but there are some most people really cannot stand, and even worse, there's many that could harm your hearing. Which are the 10 most annoying sounds that we come across in everyday life and can we do anything about them? Learn more.

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