Causes of Multiple Chemical Sensitivity
It is not yet clear as to what the exact causes of MCS are. Some patients will develop this condition after a chemical injury, which usually stems from a high level of exposure to certain chemicals, but this may not be the case for everyone.
The exact mechanism by which the chemicals will trigger the symptoms has also not been identified. However, researchers are considering various scenarios including:
- Immune system reactions
- Chemical impact on the nervous system and the brain
- How sensitivity to a certain chemical can overlap with the other chemicals
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