over activity as well particularly of t. lymphocytes and macrophages. thomas blocker is an immunologist who's interested in the complex processes at work in the gut. this kind of basic research could provide new insights into crohn's disease and lead to the development of more targeted therapies. his immune system in promised the guts immune system is quite complex because it has so many jobs to do so the immune system in the skin is much simpler placed on for. when the skin is injured bacteria into the wound a well functioning immune system immediately starts to mobilize against the invaders. but in the got the situation is far. complex the food we eat is a foreign body so normally you'd expect the immune system to mobilize against it