Little blue pills of cheer. July 6, 2008 7:53 PMSubscribe
"The drug's effectiveness inspired an elegant theory, known as the chemical
hypothesis: Sadness is simply a lack of chemical happiness. The little blue pills cheer us
up because they give the brain what it has been missing.
There's only one problem with this theory of depression: it's almost certainly wrong, or at
the very least woefully incomplete."