Possible 'mass psychogenic illness' sent 30 Springfield kids to hospital

[KMSP-TV Fox 9 News, February 07, 2014] The Minnesota Department of Health said "mass psychogenic illness" may have been what caused 30 students to get sick at Springfield Public School on Thursday. Carbon monoxide poisoning has been ruled out.

Allina Medical Clinic - Shakopee psychologist, Dr. Daniel Kessler, told Fox 9 News that mass psychogenic illness suffers feel very real symptoms even though there may be no physical cause for them.