Immunologist Daniel Davis talks about the healing history and potential of the immune system – the subject of his new book The Beautiful Cure: Harnessing Your Body's Natural Defences.
Humans are born with a dynamic and adaptive immune system that must quickly learn to fight off threats from the bacteria and viruses we encounter in our daily lives.
Manipulating this adaptive part of our immune system is how we're tackling many diseases today, from cancer to HIV.