Here’s a comforting thought: you might not actually be alone in your own body right now. Parasites are far more common than most people realize, and they don’t care about your personal boundaries, ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

One hybrid variant, Schistosoma haematobium x S. mattheei, which links a human-infecting species with a livestock species, is now a common cause of genital tract disease in men and women in parts of ...