Depending on what you've lacked, for how long, your age—these are all variables. The younger you are, the lower the chances of reversing it as kids need a decent diet, period. How long you've been subsisting of off crap is the important one.
With all the above said, one of my born-blind friends has started going deaf due to bad diet, and whilst changing his diet hasn't improved his hearing, it has massively improved his overall health and importantly halted the hearing loss at the rate it was going, so it's not been a pointless exercise to make a lifestyle change that'll benefit him in the years to come.
Wishing anyone reading this good health for them and theirs.
Depending on what you've lacked, for how long, your age—these are all variables. The younger you are, the lower the chances of reversing it as kids need a decent diet, period. How long you've been subsisting of off crap is the important one.
There was one highly publicized case about a kid who had gone deaf and blind from bad diet: https://edition.cnn.com/2019/09/03/health/poor-diet-blindnes...
With all the above said, one of my born-blind friends has started going deaf due to bad diet, and whilst changing his diet hasn't improved his hearing, it has massively improved his overall health and importantly halted the hearing loss at the rate it was going, so it's not been a pointless exercise to make a lifestyle change that'll benefit him in the years to come.
Wishing anyone reading this good health for them and theirs.