I know of two ways it can be. You know how the body fights infection with a fever - well I have some chronic inflammation in the gut that is exacerbated by cold exposure, and the gut becomes more leaky after going out in the winter. Tyramine from aged foods leaks into the bloodstream, causing various symptoms. I drink hot water now.
I think it’s rooted in a belief that consuming something so cold is bad for the body somehow. Meanwhile I’m sure they eat frozen desserts.
I know of two ways it can be. You know how the body fights infection with a fever - well I have some chronic inflammation in the gut that is exacerbated by cold exposure, and the gut becomes more leaky after going out in the winter. Tyramine from aged foods leaks into the bloodstream, causing various symptoms. I drink hot water now.
The other is
https://en.wikipedia.org/wiki/Idiopathic_cold_hemagglutinin_syndrome