Schizophrenia is a mental disorded characterized by abnormal social behaviour and failure to understand what is real.
Some types of Asthma: swelling of the alveoli cause muscle spasms of the rip cage and diaphragm. If the Asthma is accompanies with an immune system disorder it can also cause muscle loss.
To be exact "of a bacterium virus or or microorganism causing disease" (: