Indeed, an estimated 40 million American adults live with hearing loss as a result of noise exposure, according to the American Academy of Audiology. There are three main types of hearing loss: conductive (which involves the outer or middle ear), sensorineural (involving the inner ear) and mixed (which is both). Staying clear of loud environments will help prevent hearing loss, but there are also several everyday habits that could cause long-term damage. Using Earbuds at High VolumeFrom the subway to the grocery store, chances are, most people will be using earbuds or headphones. The good news is that some hearing loss can be reversed with treatment and changes to your routine.