Apple's 'Hearing Study' early indicators are worrying

In terms of metrics, it was found that 25% of research participants experience a daily average environmental sound exposure higher than the WHO recommended limit. This was for an average of the day, rather than specific high-volume instances like sudden noise.

Almost 50% either work, or had previously worked, in a loud workplace. As the exposure to noise can impact the stress level of the individual and the hearing, Apple suggests "it's important to be aware of surroundings." People are also risking their hearing from using earphones and headphones too much. The average weekly headphone exposure for one in 10 participants was deemed to be higher than recommended limits... More here.

I must admit to playing music too loud most of the time, as the above capture from my Health app shows.