‘At least 500 million years of nervous system evolution’

The British Journal of Psychiatry has a series called “100 words”. The above was a submission by Professor Philip J. Cowen published in 2013:

500 million years reduced to 100 words.

Professor Cowen mentions his 3 weeks experience of paroxetine.  I have had more than two decades experience of this drug: a drug that I have long been dependent on and despise. It is a drug that would have ended my life had a steel curtain rail not broken.