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. However, ...

Low-income mothers feminize their children in the womb by adjusting their hormones, whereas high-income mothers masculinize their children, a major study based on finger length, led by a Swansea ...

Longer ring fingers linked to higher alcohol intake, study reveals Prenatal testosterone exposure, reflected in the 2D:4D ...

A recent study published in the American Journal of Human Biology has revealed an intriguing connection between the length of your fingers and your alcohol consumption habits. Researchers found that ...