The ratios between the lengths of the second and fourth fingers, known as the 2D:4D ratio, are different in males and females, which is often explained by levels of androgens and oestrogens.

Prior research confirms that many skills and successes are linked to the widely known 2D:4D ratio, also knows as the digit ratio. This is the ratio of the index and ring fingers, and it is ...

Of course, it remains to be seen whether the correlation between penis size and 2D:4D ratio holds true in non-Korean men or in Korean men who aren’t having some type of urological surgery.

The 2D:4D ratio may serve as a simple, non-invasive marker for predicting alcohol consumption patterns, particularly for individuals who are more likely to engage in risky drinking behavior.

Prenatal testosterone exposure, reflected in the 2D:4D digit ratio, may influence alcohol consumption patterns. The Jerusalem ...

Prior research reveals that many skills and successes may be linked to the widely known 2D:4D ratio. This study in particular was the first to examine the link between the size of one's hand to ...

(NEWSER) – A study released earlier this month relied on the "2D:4D" ratio to determine that 57% of men are inclined to be promiscuous. Now, a second study says the same ratio—which makes use ...

Index to ring finger length ratio (2D:4D) is a trait known for its sexual differences. Men typically have shorter second than fourth digits; in women, these fingers tend to be about equal in length.

Background: The second to fourth finger length ratio (2d:4d) is thought to be related to diverse traits including cognitive ability, disease susceptibility, and sexuality. Objective: To examine the ...

The longer the fourth finger compared to the second, known as the 2D:4D ratio, is proportional to how attractive their face is considered, research showed.