http://targetdex..com/2015/02/the-5-things-mans-finger-length-says.html


1. Facial attractiveness
Men who have a shorter index finger than ring finger may also have more handsome faces, suggests a 2011 study published in the journal Proceedings of the Royal Society B.
The amount of testosterone a baby is exposed to before birth can affect how the individual's face develops, and how attractive that face is, the researchers said. In other words, women are traditionally more attracted to men who have relatively short, scrunched upper faces, as found in Will Smith and Brad Pitt.

2. Penis size
A smaller 2D:4D ratio has been linked to a longer stretched penis size, according to a 2011 study published in the Journal of Andrology.
The study involved 144 volunteers ages 20 and older who were undergoing urological surgery. While the men were anesthetized, researchers measured the lengths of the men's fingers and joysticks (both flaccid and stretched, which is linked to the erect penis size).
The shorter the index finger relative to the ring finger, the longer the stretched penis was — likely a result of testosterone exposure in the womb, the researchers said,

3.Prostate cancer risk
But while having a short index finger relative to ring finger has its advantages, they may come at a price: a higher risk of prostate cancer, according to a 2010 study published in the British Journal of Cancer.
Researchers looked at the ratios of these finger lengths in 1,500 prostate cancer patients and 3,000 healthy men over a period of 15 years. The scientists asked the men to look at pictures of hands and choose the one most similar to their own.

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