Wednesday, November 26, 2025

A hidden brain energy signal drives depression and anxiety

Scientists discovered that lowered brain energy signaling in the hippocampus can lead to both depression- and anxiety-like behaviors in mice. Stress reduced ATP, a molecule important for cell energy and communication. Altering a protein called connexin 43, which helps release ATP, caused similar symptoms even without stress. Restoring this protein improved mood-related behavior.

from Top Health News -- ScienceDaily https://ift.tt/ybfawPh

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Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...