There are lots of ways to be kind, like helping your family when they need a hand or splitting your last cookie with a friend. But why does kindness feel so good? And what exactly is it?

Be Kind: It Can Change Everything looks at how kindness can improve our health, self-esteem, relationships and more. Dive into the history and science of kindness and how it affects your brain, boosts happiness and can even inspire others. Learn new ways to give compliments to brighten someone's day--and how to be kinder to yourself, others and the planet. With one small act of kindness at a time, we can change the world!