TIL that in 2018 scientists discovered a new way to cause depression in rats: Put them with other depressed rats. By housing a healthy rat with two depressed rats for five weeks, the healthy rat will reliably become depressed.
pmc.ncbi.nlm.nih.gov/articles/…
#til #todayilearned
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A New Method for Inducing a Depression-Like Behavior in Rats - PMC
Contagious depression is a phenomenon that is yet to be fully recognized and this stems from insufficient material on the subject. At the moment, there is no existing format for studying the mechanism of action, prevention, containment, and ...pmc.ncbi.nlm.nih.gov