Fast speed of life leads to more intensive illness fever
The faster speed of animal’s life, the more actively it struggles with an infection, rising temperature of the body.
Despite of presence of special immune mechanisms for struggle against bacterial and virus infections’ activators, there are also nonspecific methods of protection. It is rise of a body temperature, refusal of food intake and expulsion of reproduction and aggressive behavior from a life. If change of life style saves energy, rise in body temperature on 1 C, accelerates metabolism approximately by 10 %, strengthening protective properties of an organism. During many diseases the organism raises body temperature to struggle against an infection.
In Russia there are even some lipopolysaccharide-based medical preparations, which cause fever. This preparations help to treat long chronic inflammations.