Why hearing loss can cause dementia and how you can prevent it
Calvin Zhang's inspiration for Incus, his hearing aid company, was drawn from his relationship with his grandfather, with whom he was very close. "He taught me how to play chess, how to swim, how to hunt, how to plant watermelon." He noticed when his grandfather's impaired hearing got worse. He would turn the volume on the television louder and louder...
Source: asiaone.com