Why would our brains be biologically prepared to help others? What benefit does it have for each of us and for human beings as a whole? One popular scientific theory suggests that being natural helpers improves our chances of survival Humans are social creatures, dependent on family, friends, governments, and strangers. Babies need food to survive, but they also need someone there to feed them. Larger social groups also rely on our help, such as when we pay taxes or donate money to charities. Without a "helping brain," humans would have a much harder time trying to survive.