In which type of disorder is a person's speech likely to be so full of unrelated words and phrases that it could be characterized as a “word salad”?

   a "psychotic disorder" ; such as: "schizophrenia".

{Note:  Other possibilities include:  manic phases of bipolar disorder;  bipolar disorder with psychotic disorders; substance use disorder; schizoaffective disorder}.

Well. erm obesity, anorexia?

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