Even your favorite hobbies may emit sounds big and strong, such as: riding a motorcycle, playing or producing music, spending an afternoon at the shooting range, or home improvement using power tools.
Loud noise levels can damage your hearing, either temporarily or forever. In fact, 10 million Americans have noise-induced hearing loss —the official term for permanent hearing loss caused from excessive noise. And as many as 40 million adults have hearing test results that indicate hearing loss from exposure to loud noise. 
Noise induced hearing loss can result from brief exposure to extremely intense sound levels, or repeated exposure to loud sounds over time. It can also affect one ear or both ears.