Scientific evidence has proven that kindness changes the brain, impacts the heart and immune system, is an antidote to depression, improves relationships and even slows the ageing process.Yet, more than this, kindness can power real and lasting change in the world. This little guide shows how the practice of kindness can increase our happiness, improve our health, help us to forge stronger connections with others and positively affect the world we live in. In The Little Book of Kindness, kindness expert Dr David R Hamilton reveals the science of kindness and teaches us how, by using easy-to-follow tools, strategies and exercises, we can harness its power to improve all aspects of our lives and the lives of the people around us.