Decreased digit ratio (2D:4D) and gastric cancer in Chinese men

The development of finger length is influenced by the level of hormones during pregnancy in the womb. The relative length of 2nd to 4th digit (2D:4D) is considered as a putative marker for prenatal hormone exposure and may represent an individual susceptibility to certain diseases, particularly those hormone-related cancers (e.g., gastric cancer).
Source: Early Human Development - Category: Perinatology & Neonatology Authors: Source Type: research