Ways to keep hearing loss to a minimum are

Changing to a healthier lifestyle,

Not taking Viagra,

Avoiding NSAID painkillers,

Making sure there’s enough folate (see here and here) as well as carotenoids and vitamin E in the diet,

Taking non-fish oil omega-3 supplements,

Applying a growth factor gel, and

Taking a drug called ADAC, which activates adenosine receptors in the cochlear tissues.