Does growing up among two or three sisters really make men appear less sexy? It could be true if a new study's researchers are to be believed.
According to the researchers, the ratio of male and female siblings within a family has the potential to influence the sexual behavior, if not the sexuality, of an outnumbered boy in the family.
Researchers studied rat litters to arrive at this conclusion and stated that genes might determine one’s behavior and personality but environment, in which one is born and raised in, plays an important role in “shaping it.”
Lead author, a professor of Zoology and Psychology at the University of Texas at Austin, David Crews, said while commenting on the study results in a press statement: