IL-6 also can pass the blood brain barrier and act on the hypothalamus..
Also in muscle and fatty tissue, IL-6 stimulates energy mobilization that leads to increased body temperature.
The hypothalamus has many functions apatite control and body temperature control among them eventually all roads seem to lead to the hypothalamus the bodies control center.
My reason for being on this forum is and has always been to find ways to live with and as far as I can control my diabetes, not to give lessons for which I am in no way qualified to do or receive lessons in bio medical molecular science .
I suggest you enroll on a medical science degree course or if you already have the degree do a masters and then a PHd and then hopefully all your questions will be answered.