My doctor's point was that the better the "seal", the more direct the impact on the eardrum, with IEMs typically creating the best seal by far.
Her second supporting point was that she and her colleagues are seeing an epidemic of hearing loss, especially among the young, directly correlated with increased use of earbuds, etc.
By the way, the reason I was even in to see an ear specialist? I recently developed tinnitus, at exactly the same time I started using IEMs extensively.
So my options at this point are:
- Discount my doctor's advice and assume she's overblowing the risks, or
- Listen to my doctor ... while I still can