How many people in your life have hearing difficulties? One person? Two people? A handful? No one? The actual number is quite possibly more than you think, because hearing loss — the inability or reduced ability to perceive sounds that enter the ear — is much more common than many realize.
In the United States and Canada together, for example, millions of people live with hearing loss. Numbers may vary per organization, government agency, or study, but:
Johns Hopkins researchers have estimated ...