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A neurological syndrome of gross overeating. Also known as hyperphagia. This condition can be caused by very normal things like an increased exercise regimin or a growth spurt, but can also be caused by more severe issues like depression.

Example: A brain-injured man gains over one hundred pounds in the first year after his injury; he seems unable to control his food intake.’

Here is a very in-depth web overview of the condition, it’s causes and what to look for if you think someone has developed this issue:

APA Reference
Fournier, G. (2018). Polyphagia. Psych Central. Retrieved on July 8, 2020, from