A previous study reported that anti-depressant therapy can increase the level of BDNF and subsequently boost neurogenesis, attenuate neuronal apoptosis in the depressive brain, and ultimately improve depressive mood (Sahay and Hen, 2007)
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Furthermore, the threshold effect is consistent with the concept that methionine synthase activity may become saturated beyond a certain B12 concentration [17], explaining the diminishing returns observed at higher levels
First, there is significant evidence that PPG neurons are activated by nauseainducing agents, such as LiCl or LPS (Rinaman, 1999a, 1999b)
Also, from an epidemiological standpoint, the impact of NPs on health remains uncertain [221, 222]