Illustration of the brain with amygdala highlighted.

Blocking Memory Pathway Could Prevent PTSD

A new study reports that serotonin promotes the consolidation of traumatic memories following stress events. Additionally, SSRI medications which are commonly prescribed for PTSD may make the condition worse by enhancing the effects of serotonin.
The image shows glial inclusions in MSA.

New Human Prion Disease Identified

According to researchers, Multiple System Atrophy, or MSA, is a neurodegenerative disease that is caused by a newly discovered type of prion.