Meditation has long preached the importance of paying attention to the breath but research suggests the ancient technique could help fight one of the biggest health challenges to the modern era: dementia. Up to 1.7 million people could be living with dementia in England and Wales by 2040 alone. Short of finding a cure, researchers are exploring novel ways of reducing the risk. One promising approach is to engage in deep and slow breathing (DSB) – a simple technique that’s been shown to provide cognitive benefits What is DSB and how do I do it? DSB is a way of taking in and letting out less bre…