If you’re struggling to hear people speak in a noisy environment, it could be linked to dementia risk, according to research. There are lots of potential risks that are believed to increase dementia. From a common stomach bug to people falling over more, it can feel like a minefield. But one of the more rare and lesser known potential health symptoms is to do with our ears, not our brains. Hearing difficulties can be linked to cognitive decline and an increased risk of dementia, scientists say. Alzheimer’s research looked into the ‘cocktail party’ problem – referring to when someone might stru…