Apple wants to know if you’re hearing things because of tinnitus

More than 77 percent of people who participated in a big Apple-sponsored

have experienced tinnitus at some point in their lives, according to preliminary data. Around 15 percent say they’re affected daily by tinnitus, perceiving ringing or other sounds that other people can’t hear.

In one of the largest surveys of its kind, researchers at the University of Michigan gathered data from more than 160,000 participants who responded to…