The average salary of substitute teachers in Illinois is approximately $31,000 a year (according to bls.gov) which is about 6% higher than the national average. However it is important to understand that this number can vary greatly as substitute teachers income depends on experience and qualifications and district.
Interest: Not certain of benign twitching due to anxiety. There a few diseases that mimic ALS pretty good: 1) Multifocal motoric neuropathy (MMN) - weakness, fasciculations (not too much) but NO atrophy and very slow progression. 2)Postpoliomyelitic syndrome - Late consequences of poliomyelitis. Weakness, fasciculations, tireness. 3) Myasthenia gravis -no need to comment.
The most common disease that mimics the symptoms of Crohn's disease is ulcerative colitis, as both are inflammatory bowel diseases that can affect the colon with similar symptoms. It is important to differentiate these diseases, since the course of the diseases and treatments may be different.