She is just an example, they say this issue is on the rise in general.

Five NHS audiology departments have told the BBC that there has been an increase in the number of young people referred to them from GPs with hearing issues - only to find their hearing is normal when tested and it is their ability to process sound that is struggling.

APD is more common in neurodivergent people, those who have suffered from a brain injury or had a middle-ear infection as a child. However, more patients with APD are presenting outside of those categories, leaving audiologists to question if external factors, such as noise-cancelling headphones, are contributing.