Although national estimates of hearing loss are lacking, the incidence of this condition in the U.S. is predicted to have risen significantly because of the aging population and growing use of personal listening devices. -newswise.com
MY COMMENTS: This is a huge problem that many runners in particular continue to ignore. Running with earphones is a very bad idea! Remember, hearing loss is irreversible- it cannot be fixed.
From 2003 to 2004, 16.1 percent (an estimated 29 million) of American adults had speech frequency hearing loss in one (8.9 percent) or both ears (7.3 percent). “Thirty-one percent of participants (equivalent to an estimated 55 million Americans) had high-frequency hearing loss [12 percent in one ear and 19 percent in both],” the authors write. Hearing loss, especially at high frequency, was found in participants age 20 to 29 (8.5 percent prevalence) and in those age 30 to 39 (17 percent prevalence).
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