MCS/ES (multiple chemical sensitivities / environmental sensitivities) is a disability recognized by the Canadian and Ontario Human Rights Codes. There are over a million people with doctor diagnosed MCS in Canada, and so many more all around the world.
The term ‘sensitivities’ seems to trivialize the condition in many people’s minds.
You may wonder what’s it really like then, if it’s not trivial?
‘have legs or brain some days but not others’
Seriously "Sensitive" to Pollution 