Young headphone users already show measurable hearing damage in the 3-12 kHz range

Evidence

It belongs to a group of students who listen frequently through earphones to loud music and indicates their median threshold in quiet in the frequency range between 3 and 12 kHz. — Professor Dr.-Ing. Hugo Fastl, Professor Dr.-Ing. Eberhard, Psychoacoustics- Facts and Models, 175

Categorization

• SEED: Angle: ‘the first audible casualty of the headphone era’ — measurable threshold shifts in young frequent listeners.
• SHARE: Narrow finding that would interest someone tracking hearing-health studies.