any** process that causes any level of disorder away from normal homeostatic function
mechanical
chemical
electrical
bacterial
foreign agents
metoabiolic
neoplasrtic
heritable
acquaired
heavy metals
nuttrional
radiation
uv
heat cold
infectious (viral bacterial fungi pyrons, parasites other)
transcriptional and translational disorders
med sideeffects
etc
disease:
damnit system
Degenerative
Anoominalies
Metabolic
infectoius
neoplasia
trauma
speed of disease: periacute, acute chronic
severity of disease: symbiotic, mild moderate severe
can low cardiac output from cardiac dis cause depression-sure, so can shock, so can low nutrition such as homeless and poor, so can low nutrition etc.
so can sleeping sickness and rabies......animal is depressed.......does not mean it has a mental illness.......same with people
liver disease, renal disease, enteric absorbtion dis, menitgitis. etc etic, uti, tooth infections
cardiac disease......diabetes, depresson from glucaoma and pain in elderly who cant speak
high blood pressure, strokes, brrain tumors.
submitted by
the veterinarian animal doctors.
not as dumb as they think..