DEAR MAYO CLINIC: I’ve heard there might be a link between hearing loss and brain health. Can you explain how it could affect my cognitive function and what I can do to reduce the risks? ANSWER: Humans by nature are social. People enjoy being with others, sharing stories, laughing at a joke, dancing to a favorite song, greeting a neighbor, discussing concerns or offering consolation. These connections, whether close or casual, are essential to emotional well-being and…