Such changes in bacteria triggered chronic colitis in mice genetically prone to this disorder, due to
abnormal immune systems.
This is especially valuable for those patients with diseases that compromise or create
an abnormal immune system as well as for those apparently healthy individuals who are at higher risk of developing diseases due to family history or exposure to certain environmental conditions.
Hypothyroidism — an underproduction of hormones by the thyroid gland in the neck — is caused by
an abnormal immune system response that mistakenly attacks normal body tissue.
Do you know of any studies where vaccines have been tested on people (especially children) who have
abnormal immune systems?
A food allergy is
an abnormal immune system response to a food or food component.
An abnormal immune system response may be involved; heredity can also play a role.
The same applies to the occasional dog or cat that is born with
an abnormal immune system.