2D:4D digit ratio predicts depression severity for females but not for males

@inproceedings{Smedley20142D4DDR,
  title={2D:4D digit ratio predicts depression severity for females but not for males},
  author={Kerrie D. Smedley and Kayla J. McKain and Devon N. McKain},
  year={2014}
}
Abstract Depression affects at least twice the number of women than men. This difference appears to be relatively consistent across a wide range of cultures, with an average female to male ratio of 2:1 (Immerman & Mackey, 2003). Explanations of this sex difference have focused on hormones, the role that early traumas such as sexual abuse play in predisposing females to depression, and socialization influences (Nolen-Hoeksema, 1998). Digit ratio (2D:4D index to ring finger) is a well-established… CONTINUE READING