There are so many disease where in our immune system produces antibodies for our own tissues. To name few are Insulin Dependent Diabetes Milletus, Rheumatoid Arthritis, Myesthenia Gravis, Multiple Sclerosis, Goodpastures Syndrome, Graves Disease etc.
The exact cause is unknown. It is an autoimmune disorder; that is, the immune system is fighting the body's own normal tissues through creating antibodies that attack the lungs and kidneys
just like the normal persons
The definition of the word dysphoric is an generalized feeling of distress. It is an disorder which is where symptoms physical and emotional are so severe that they interfere with a persons normal life.
Normal results will be negative, showing no antinuclear antibodies.
First of all, it is not persons it is PEOPLE!
IMHO if it were normal it wouldn't be considered a mental , developmental disorder.
A disorder is a physical condition in which there is a disturbance of normal functioning in an organism, like when a person has down syndrome for example. It is a disorder that happens with in the body.
You might need to indicate what the disorder is.
Fibrocollagenous Connective Tissue ! FOund in normal tissues too
when any part of the body declined from its normal way of working due to any reason is known disorder.
Dissociative disorders
Otosclerosis