In this episode, Leily Behbehani (Haverford ’21) follows up on last week’s episode about the neurobiology of ejaculation, but this time focuses on neurochemistry in humans. In particular, she talks about a study that measured levels of hormones and neurotransmitters in blood samples taken from men at various time points during sexual arousal and ejaculation (Murphy et al., 1987, Journal of Clinical Endocrinology and Metabolism). What are the challenges of this kind of research and how can the findings help different clinical populations? Tune in to find out!