I can tell you about a couple of things I learned about this subject the hardway.

Obviously excessive and continuous exposure to noise, this includes music, does cause tinny and frequency loss too, but there are over 700 drugs identified as causes as well.

My loss began in my early 20's while flying multi-engine prop planes for the USAF. In my 60's I started taking a common blood pressure medication that completely destriyed what little hearing I had left. After 8 years of total deafness and one last thing to try before taking my life, I received a cochlear implant in my right ear. Born again to the human hearing world and once again able to carry on a simple conversation with my wife and grandkids and join the local community as a participant.

Treasure your hearing - you only think you can imagine what it will be like without it.

Bill G