The case of poor postpartum mental health: a consequence of an evolutionary mismatch–not of an evolutionary trade-off
Today's post is by Orli Dahan (Tel-Hai College) on her recent paper, " The case of poor postpartum mental health: a consequence of an evolutionary mismatch–not of an evolutionary trade-off " ( Biology & Philosophy , 2023). Orli Dahan In my paper I criticize an evolutionary explanation to the phenomena of postpartum mood disorders and offer a different evolutionary explanation. These disorders develop shortly after childbirth in a significant proportion of women and have severe effects. I suggest that poor postpartum mental health is a classical mismatch situation: Namely, that a trait or function adaptive in a previous human environment becomes maladaptive in the modern environment. This is an argument used to explain many human health problems, such as diabetes and allergies. The evolutionary explanation that I reject is the ‘evolutionary trade-off’ explanation. According to it, poor postpartum mental health is a consequence of an evolutionary trade-off – a comprom