[Neural regulation of food absorption--review].

The periodical food intake (discrete meals) demands a control system, which includes signals for hunger and satiety. Satiety and hunger change with the absorptive and postabsorptive state of the delivery of nutrients to the organism. The brain areas involved in the regulation of food intake receive informations from three sources: periphery, environment and memory.

[Interaction between the central nervous system and the immune system--review].

Results of research within the last years suggest that although the immune system has an autonomous regulation, it is nevertheless subject to control and regulation by the central nervous system. Likewise the central nervous system receives many informations from the immune system. There is a complete regulatory circle between both systems.