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Description
A feedback loop is a regulatory mechanism in biological systems

In their examination of the regulation of macrophages by CD38, Xu et al

Loading dose and frequency of injections arent mentioned at all in Managing B12 deficiency

doi: 10.1161/STROKEAHA.114.008022

A nasal spray must penetrate nasal mucosa, possibly deal with mucociliary clearance, and may have somewhat reduced bioavailability

Therefore, it is plausible that the mechanism of cognitive improvement using KD in PD relates both to striatal signaling to the prefrontal cortex and hippocampal synaptogenesis, which are key features of learning and memory
