Researchers at the Munich site of the German Center for Neurodegenerative Diseases (DZNE) and the hospital of the Ludwig Maximilian University (LMU) Munich have now found an early immune response in individuals with a genetic predisposition to Alzheimer's: their brain's showed abnormal immune reactions as early as about seven years before the expected onset of dementia. (sciencedaily.com)
Humans can suffer from Celiac disease, which is an intolerance and abnormal immune reaction people have to a specific protein in gluten. (compassionatecareveterinaryhospital.com)
A true allergy is an abnormal immune reaction to a generally harmless substance and a true allergy will only affect about 1 - 2 % of the population! (kitchener-waterloo.momstown.ca)