In a new study published in the journal Sexes, researchers have uncovered evidence that physical features, particularly breast size, can influence competitive behaviors among women. The study found that women are more likely to engage in derogatory tactics against other women with larger breasts, shedding light on the dynamics of intrasexual competition. Intersexual competition, a concept grounded in evolutionary biology, refers to the rivalry between individuals of the same sex to attract and secure mates from the opposite sex. This form of competition is driven by the need to enhance reprodu…