September is Alopecia Awareness Month, shining a light on the different causes and types of hair loss, while helping to break the stigma around a condition that can affect people of all ages and genders. Dr Judey Pretorius, Biomedical Scientist & Founder of BioMedical Emporium, chats to Roger Goode about how alopecia can range from small, sudden bald patches to more widespread hair loss, and can be linked to genetics, hormones, illness, stress, medication or even tight hairstyles. She also shares more about when to seek professional help.