Finger length: the 2d:4d digit ratio!
The 2D:4D Digit Ratio concerns the length ratio of the index finger & the ring finger. During the past 10 years professor John Manning's finger ratio became a popular topic, though the purpose & potential applications has often been misunderstood. Digit ratio can best be understood as a prenatal hormonal marker.
The articles listed below are fascinating reports about various aspects showing what 2D:4D finger length ratios may reveal:
I Digit ratio & hormones (7)
II Digit ratio & sexuality (10)
III Digit ratio & disease (7)
IV Digit ratio & personality (11)
V Digit ratio & sports (8)
VI Digit ratio in primates (7)
VII More digit ratio (13)
DIGIT RATIO & 2D:4D FINGER LENGTH RATIOS