Apple is expanding its research into hearing health with a new study focused on tinnitus, a common condition that causes ringing or buzzing in the ears. The study, which will be conducted in partnership with the University of Michigan, will use Apple Watch and iPhone data to track the prevalence and severity of tinnitus symptoms over time.Tinnitus is a common problem, affecting an estimated 10-15% of the population. While it can be a nuisance, tinnitus can also be a sign of an underlying medical condition, such as hearing loss or a neurological disorder.Apple's new study will help researchers better understand the causes and prevalence of tinnitus, and develop new ways to diagnose and treat the condition. The study will also help Apple improve the features of its Health app that are designed to help people manage their hearing health.In addition to the new tinnitus study, Apple is also continuing to invest in other areas of hearing health research. The company is working on developing new hearing aids that are more comfortable and easier to use, and it is also exploring the use of artificial intelligence to improve the diagnosis and treatment of hearing loss.Apple's commitment to hearing health is part of its broader focus on health and wellness. The company has developed a number of health-related features for its products, including the Health app, the Apple Watch, and the AirPods Pro. Apple is also working with researchers and healthcare providers to develop new ways to use technology to improve health outcomes.Apple's investment in hearing health research is a positive step forward for people with tinnitus and other hearing-related conditions. The company's research could lead to new treatments and technologies that can help people improve their hearing health and overall well-being.