Just Add Water : Over 100 ways to recharge and relax on the UK's rivers, lakes and canals by Sarah HenshawAn inspiring guide to activities and adventures to re energise and boost your mood, by our rivers, lakes and canals. While Britains rivers, lakes and canals have long been co opted by fitness enthusiasts for the physical benefits they can bring, its only relatively recently that weve given much thought to their impact on our mental state too. 'Blue health' the idea that having access to an area of water can benefit a persons whole wellbeing is gaining