diego_cervo via Getty Images
Guido Mieth via Getty Images
Hearing loss, also known as permanent threshold shift, is "a sudden or gradual permanent shift in the auditory threshold caused by noise exposure, age, disease, or drugs (e.g. did you know that the chemicals in cigarettes are actually linked to hearing loss?). Our world is inundated with noise pollution and it seems that no one is left untouched.
In addition to hearing loss, tinnitus may be triggered by other medical conditions or even by a variety of medications. For instance, high doses of acetylsalicylic acid (ASA or Aspirin) as well as certain antibiotics, anti-depressants and cancer drugs have been known to produce tinnitus or to make it worse
"Basically for the last year or so we've watched more and more information be denied to us intervenors in the National Energy Board process."