Noted: Such hopelessness is common among mothers of children with autistm, according to researchers at the University of Wisconsin-Madison. A 2009 study by the college found the women, who handle most of the child-rearing duties, have stress levels comparable to combat soldiers. They also suffer from chronic fatigue.?This is the physiological residue of daily stress,? said Marsha Mailick, director of the school?s Waisman Center.