Men's ring fingers are usually longer than their index fingers. But Kim and colleagues linked a larger gap in finger length -- a lower 2D:4D ratio -- to a longer stretched-out penis.

The study was based on the relationship between the length of a person's index and ring fingers, known as the 2D:4D ratio. What is significant about the new report is that the team examined the ...

News Release 8-Jul-2021 2D:4D ratio is not related to sex-determined finger size differences in men and women Peer-Reviewed Publication National Research University Higher School of Economics ...

Previous studies have linked the so-called 2D:4D ratio of finger length with exposure to the sex hormones estrogen and testosterone in the womb. So it's possible that the same exposure may affect ...