Exposure to noise in our work environment causes a number of physiological and psychological responses. Noise can have the following effects:
• Annoyance and speech interference
• Interference with concentration and thought processes
• Sleep disturbance
• Fatigue and aggression
• Reduced immune response
• Heart disease
The body's automatic nervous system attempts to adjust the body functions by:
• increasing the heart rate and raising the blood pressure
• releasing the hormones adrenalin and cortisol.
Adrenalin prepares the body's 'fight or flight' reaction and cortisol prepares the body for stress. However, prolonged high levels of adrenalin and cortisol under stressful working conditions may lead to more serious health effects. Some of the main effects are:
• raised blood pressure
• acceleration of heart rate
• stress which can lead to irritability and headaches
• hypertension increasing the risk of strokes and heart attacks, reduced white blood cell count
• reduced immune response
• gastric ulcers.
• Annoyance and speech interference
• Interference with concentration and thought processes
• Sleep disturbance
• Fatigue and aggression
• Reduced immune response
• Heart disease
The body's automatic nervous system attempts to adjust the body functions by:
• increasing the heart rate and raising the blood pressure
• releasing the hormones adrenalin and cortisol.
Adrenalin prepares the body's 'fight or flight' reaction and cortisol prepares the body for stress. However, prolonged high levels of adrenalin and cortisol under stressful working conditions may lead to more serious health effects. Some of the main effects are:
• raised blood pressure
• acceleration of heart rate
• stress which can lead to irritability and headaches
• hypertension increasing the risk of strokes and heart attacks, reduced white blood cell count
• reduced immune response
• gastric ulcers.


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