Noise in the ear?

It is called Tinnitus, a sound in one or both ears such as buzzing or ringing. May be caused by an ear infection, or head injury for example

Due to loud sound, Eardrum (which is a delicate membrane) vibrates more strongly. Being in loud sound for more than 3-4 hours loosens its toutness and thus it cannot move bone (malleus) attached to...

The human ear can nominally hear sounds in the range 20 Hz to 20,000 Hz (20 kHz). This upper limit tends to decrease with age, most adults being unable to hear above 16 kHz. The ear itself does not...

if there is a ringing in your ears it might be tinnitus. You cant get rid of it

It means that your mum was doing druggs when you were in her tumnmeh!