Food and Behaviour Research

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Blindness Caused by a Junk Food Diet

Harrison R, Warburton V, Lux A, Atan D (2019) Ann Intern Med.  2019 Sep.  doi: 10.7326/L19-0361. [Epub ahead of print] 

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Abstract:

Background: Popular media have highlighted the risks for poor cardiovascular health, obesity, and cancer associated with junk food, but poor nutrition can also permanently damage the nervous system, particularly vision.

Objective: To alert clinicians of the visual complications of a diet restricted to junk food.

Case Report: A 14-year-old boy presented to his family practitioner with tiredness. He was a “fussy eater” but was otherwise well and took no medications. Tests detected macrocytic anemia and low vitamin B12 level but no antibodies to intrinsic factor or tissue transglutaminase. He was treated with vitamin B12 injections and dietary advice....