NPR

Blind From A Bad Diet? Teen Who Ate Mostly Potato Chips And Fries Lost His Sight

A poor diet can lead to vision loss, experts say. For a teen, it's certainly rare, but a new case study documents blindness in a boy who ate lots of chips, white bread and bits of processed meat.
Researchers in the U.K. say a teen has suffered vision loss after years of eating a highly limited diet consisting of snacking on Pringles potato chips, as well as French fries, white bread and some processed pork products.

A 14-year-old boy goes to the doctor with complaints of tiredness. He's an extremely picky eater. (Think a daily diet of French fries, plus snacking on Pringles potato chips, white bread and some processed pork.) But overall, he appears OK. He's not overweight and takes no medications.

Tests show he has low levels of vitamin B12 and anemia, so he's given B12 injections and diet advice. But

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