A Brief Discussion on the Dangers of Noise Pollution
Release date:
2025-09-01
Abstract: With the development of industrial production, transportation, and urban construction, coupled with rising population density and the increasing number of household appliances (such as audio systems, air conditioners, and televisions), environmental noise has become increasingly severe—emerging as a major public nuisance that contaminates the human social environment. Noise is characterized by its localized nature, temporary effects, and frequent occurrence. Beyond impairing hearing, noise also exerts adverse impacts on the cardiovascular, nervous, and endocrine systems, leading some to describe it as a "slow-acting, deadly poison."
With the development of industrial production, transportation, and urban construction, coupled with rising population density and the increasing number of household appliances (such as stereos, air conditioners, and televisions), environmental noise has become increasingly severe—now emerging as a major public nuisance polluting the human social environment. Noise is characterized by its localized nature, temporary effects, and frequent occurrence. Beyond impairing hearing, noise also exerts harmful impacts on the cardiovascular, nervous, and endocrine systems, leading some to describe it as a "slow-acting, deadly poison." The physiological and psychological harms noise inflicts on individuals primarily manifest in the following ways:
Disrupting rest and sleep, impairing work efficiency
① Disrupting rest and sleep. Noise leaves people restless, making it difficult to relax and fall asleep. When someone lies awake, tossing and turning, they often experience heightened anxiety, rapid breathing, an accelerated heartbeat, and persistent brain stimulation. As a result, they feel fatigued or weak in their limbs the next day, leading to reduced productivity. Research has shown that noise levels exceeding 85 decibels can cause irritability and distractibility, preventing people from concentrating on their tasks and ultimately lowering workplace efficiency.
Damage to the auditory and visual organs
① Prolonged exposure to intense noise can weaken hearing, leading to organic damage of the auditory organs and ultimately resulting in hearing loss. Strong noise can also cause discomfort in the ears, such as tinnitus, ear pain, and hearing impairment. Measurements show that noise levels exceeding 115 decibels can even lead to deafness.
② The harmful effects of noise on vision. While people often associate noise with hearing impairment, it actually also affects eyesight. Experiments have shown that when noise levels reach 90 decibels, the sensitivity of human visual cells decreases, and the reaction time for recognizing dim light becomes longer. At 95 decibels, about 40% of participants experience pupil dilation and blurred vision. And at 115 decibels, most individuals exhibit varying degrees of reduced ability to adapt their eyes to changes in light intensity.
Physiological Effects on the Human Body
① Noise is a harmful irritant that, when acting on the human central nervous system over an extended period, can disrupt the balance between excitation and inhibition in the cerebral cortex, leading to abnormal conditioned reflexes. This may result in symptoms such as dizziness, headaches, tinnitus, excessive dreaming, insomnia, palpitations, memory impairment, and difficulty concentrating. In severe cases, it can even trigger mental confusion. Fortunately, while medication often provides limited relief for these symptoms, they typically improve significantly once the individual is removed from the noisy environment. Additionally, noise can disrupt the autonomic nervous system, causing fluctuations in blood pressure—either rising or falling—as well as changes in heart rate, potentially exacerbating pre-existing heart conditions.
② Harm to the cardiovascular system. Noise is a risk factor for cardiovascular diseases, as it can accelerate heart aging and increase the incidence of myocardial infarction. Studies have shown that residents living near highways experience a roughly 30% higher rate of myocardial infarction. Additionally, an investigation of 1,101 female textile workers revealed a hypertension prevalence of 7.2%, with workers exposed to noise levels as high as 100 decibels showing an even higher prevalence of 15.2%.
③ Noise can also lead to disorders such as neurological dysfunction, mental health issues, endocrine imbalances, and even an increase in accident rates. In high-noise work environments, individuals may experience symptoms like dizziness, headaches, insomnia, vivid dreams, general fatigue, memory loss, as well as feelings of fear, irritability, low self-esteem—and in severe cases, even mental confusion.
Looking back at the various forms of noise pollution in modern urban life, only Warren Doors and Windows offer a definitive solution to this issue that significantly impacts our quality of life.
WARREN—Warren Doors & Windows is a brand under Warren Debang Doors & Windows (Beijing) Co., Ltd. Leveraging world-class, cutting-edge production equipment and technology, we continuously innovate and upgrade to achieve perfection. Warren is committed to the development and efficient use of green energy, earning recognition as the epitome of "innovative, energy-saving, low-consumption, environmentally friendly, and aesthetically designed doors and windows." Our products fully meet all eco-friendly standards and are proudly designated as energy-efficient building materials promoted by China’s Ministry of Construction. We’ve also earned both ISO9001 International Quality Management System Certification and ISO14001:2004 International Environmental Management System Certification, while actively pursuing multiple product and technology patents.
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