As subsequently written up by Roney in Evolution and Human Behavior: “Results were generally consistent with the hypothesis that human males may exhibit a behavioral and endocrine courtship response that is similar to that observed in males of many nonhuman vertebrate species.”

In other testosterone-related news today, many men’s health specialists worry that testosterone replacement in older men may offer little benefit and may lead to more severe medical problems in the future. Testosterone replacement therapy, or TRT, has been used to treat a collection of symptoms that some doctors and drug companies have dubbed andropause, or male menopause.