California could become the first U.S. state to require restaurants to disclose common food allergens in each menu item under legislation being considered by state lawmakers.
It wouldn’t be biologically possible to be “allergic” to water. It would be like being allergic to carbon. You can only be allergic to proteins or things attached to proteins (haptens) since they trigger an antibody response.
One interesting story about faulty immune triggers is in the book “Brain On Fire” where she had horrible brain inflammation and psychosis. After a long hard struggle trying to diagnosis it they finally figured out her immune system had attacked an ovarian cancer but surface proteins on the cancer cells matched receptors in her brain cells so her immune system was attacking those too.
There are literally people who are allergic to water. How common does an allergy need to be for it to be declared?
WHO, among others, have guidelines for this.
https://www.who.int/publications/i/item/B09009
For comparison, here is Canada’s list of recognized “priority food allergens.”
https://www.canada.ca/en/health-canada/services/food-nutrition/food-safety/food-allergies-intolerances/food-allergies.html
How can someone be allergic to the main component of their bodies?
I don’t know how, but I know it’s possible. You can also be allergic to semen. You can be allergic to basically anything.
It wouldn’t be biologically possible to be “allergic” to water. It would be like being allergic to carbon. You can only be allergic to proteins or things attached to proteins (haptens) since they trigger an antibody response.
One interesting story about faulty immune triggers is in the book “Brain On Fire” where she had horrible brain inflammation and psychosis. After a long hard struggle trying to diagnosis it they finally figured out her immune system had attacked an ovarian cancer but surface proteins on the cancer cells matched receptors in her brain cells so her immune system was attacking those too.