Noise-induced Hearing Loss

When Noise Hurts Noise induced hearing loss (NIHL) is irreversible hearing damage resulting from exposure to high levels of noise. NIHL affects an estimated 10 to 15 million people in the USA, making excessive noise exposure the most common cause of hearing loss. What causes NIHL? Exposure to traumatic noise will cause permanent damage to … Read more Noise-induced Hearing Loss

When Sound Hurts

NIHL is related to both noise intensity and the duration of exposure. The relationship between sound levels and exposure limits is illustrated below. The Table (below) shows how quickly sound tolerance limits decrease with small increases in sound intensity levels. Recall, this is because an increase of 10 dB corresponds to a 10 fold increase … Read more When Sound Hurts

Age-Related Hearing Loss (ARHL)

Seeds of a Growing Problem The population of the U.S. is getting older. According to the Administration on Aging, the aging ‘baby boom’ generation will produce a dramatic increase in the population through 2030. In 2009, people over 65 represented 12.9% of the population, but by 2030, they will represent 19.3%. The population over 65 … Read more Age-Related Hearing Loss (ARHL)