Sublime

female mammals, and primates in particular, being able to work effectively in a social environment is much more important for their reproductive success than anything

major depression.

In nature, stress episodes like encountering a predator are temporary, giving the body time to recover. In modern life stressors are mostly psychological, not biological, and can be ongoing (if only in our thoughts), like a horrific boss or trouble with family. Such stressors trigger those same ancient biological reactions. If these stress reaction

Each of us is sewn by invisible threads into the superorganism. We are cells in the beast of family, company, and country. If those social ties are severed we begin to shrivel and die. There’s more. Hard work and the pursuit of challenge have seldom been demonstrated to hurt us, but we can be damaged powerfully by the lack of control. And without s

New research into the neurobiology of parenting and caregiving helps explain why alloparenting succeeds in different cultures. We are learning that a person doesn’t need to be pregnant for the brain to reconfigure into an infant-caregiving brain: hands-on parenting can rewire a male brain in a similar way to the effect of pregnancy and childbirth.