Millions of clinical diagnostic tests are run every day. If you’ve ever had a blood test, you might like to learn something about how they work and what role they play in the diagnosis and treatment of disease. Nick’s talk will provide an insight into this important area. There won’t be too much science, but having visited laboratories, hospitals and clinics in over 30 countries around the world, there will be lots about the people encountered along the way and the odd situations and places he found himself in.