Depression may speed brain aging
from Yale Daily News
A new study by researchers at the Yale School of Medicine found that depression is associated with a lower density of synapses, which allow communication between brain cells. As the first researchers to measure the synaptic density of the living brain, the team found that individuals with high levels of depression show significantly lower synaptic density compared to non-depressed individuals or individuals with mild depression. The team’s preliminary data also discovered that depression may be associated with a greater decline in synaptic density with aging, but further studies are required to corroborate this finding.
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