It is estimated that 15 million Americans suffer from depression. If you’re one of them, you may be surprised to know that diet plays an important role in mental health. So much so, that is has inspired an entire field of medicine called nutritional psychiatry. And the gut plays a key role.

Postpartum depression affects 10-15% of women who give birth, yet the research on pregnancy-related mood disorders is astonishingly one-dimensional.