How kindness-and other prosocial behaviors toward others-can help us live longer and healthier lives. The science is in- being good is actually good for you. In this bracingly original book, The Biology of Kindness- the first in a trilogy on the topic of daily wellness-the science of mindfulness and the findings of biology come together to show how kindness and optimism improve overall well-being in profound, organic, and demonstrable ways. Daniel...