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.
In the US, the latest prevalence study found that “among the population, 12.8% report medically diagnosed MCS and 25.9% report chemical sensitivity.”
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?
From Amy RW Marsh:
I just wrote this analogy for a person who needed one in order to understand EI/MCS: