I think this is insightful. Interestingly, in an immunology class I just took, the instructor suggested that allergies come from our immune system doing the sa

I think this is insightful. Interestingly, in an immunology class I just took, the instructor suggested that allergies come from our immune system doing the same thing. If the environment is too sterile, it will come up with things to worry about even if the danger isn't really there.