Louis Alvarado is a PhD student in Evolutionary Anthropology, working with Drs Jane Lancaster and Martin Muller. His research focuses on the expression of male steroid physiology across the lifespan, particularly as it relates to androgen-dependent cancer. He conducts fieldwork in a rural Polish village at the base of the Carpathian Mountains, where he uses non-invasive methods of biological specimen collection to examine interactions between steroid hormone levels, fertility status, work patterns and senescence.