Male pattern hair loss is something that over 80% of men will experience in their lifetime. Yet despite it being so widespread, the fundamentals of what actually causes it to occur, in the manner in which it occurs, still elude researchers to this day. According to a new paper, the secret may lie deep in our genetic past, with our embryonic origins. Dr. Claire Higgins, Reader in Tissue Regeneration from the Faculty of Engineering in the Department of Bioengineering of Imperial College London joins Jonathan to discuss.