OCD, bipolar, schizophrenic
& the misuse of mental health terms

A 2007 study of the terms "schizophrenia" and "schizophrenic" in the UK national press found that 11%
of references were metaphorical, with broadsheet papers more likely to deploy such phrasing than tabloids.
By contrast, cancer was only used in this manner in 0.02% of cases.

read the rest over here at the Beeb