Many people can get a headache from strong chemicals like bleach or from breathing heavy perfumes.
But there's a growing number of Americans who experience severe toxic reactions to low-levels of common chemicals. While no one knows what causes it, people with MCS are unquestionably sick. The condition can be so disabling that many people lose their jobs, their social lives, even their families. And MCS can be life-threatening. 90.3's Karen Schaefer reports.