The demographic blow to Eurasian population that has as consequence effect on climate greater than deforestation, this hypothesis is based on the assumption that some events led to abrupt demographic changes that led to the abandonment of cultivated lands in which vegetation grew again and absorbed more carbon dioxide.
Astrocytes play a critical role in normal function of the mammalian nervous system. Astrocytes regulate synaptic transmission and plasticity, protect neurons against toxic compounds, and support metabolically to ensure their optimal functioning.
