Around 15 percent of the world’s population suffers from tinnitus, a condition which causes someone to hear a sound (such as ringing or buzzing) without any external source. It’s often associated with hearing loss.

Not only can the condition be annoying for sufferers, it can also have a serious effect on mental health, often causing stress or depression. This is especially the case for patients suffering from tinnitus over months or years.

There’s currently no cure for tinnitus. So finding a way to better manage or treat it could help many millions of people worldwide.