What Ultrasonic Frequency Is Harmful To Humans?

What Ultrasonic Frequency Is Harmful To Humans? Although Ultrasound cannot be heard by humans, at high decibels it can still cause direct damage to human ears. Ultrasound in excess of 120 decibels may cause Hearing damage. Exposure to 155 decibels causes heat levels that are harmful to the body. Are ultrasonic frequencies harmful to humans?

Is Ultrasonic Noise Harmful?

Is Ultrasonic Noise Harmful? With protracted exposure, inaudible ultrasound can also contribute to hearing loss. If the ultrasound is too strong, in the ear sub-harmonic vibrations are generated, which are audible and which can cause hearing damage. Can ultrasonic noise make you sick? Increasing exposure to ultrasound in the air causes nausea, dizziness, migraine, fatigue