As Phe is present in almost all dietary protein, the estimated 50,000 PKU patients in the developed world must adhere to a strict, lifelong, low-Phe diet consisting of designated medical foods and ...

A man with a rare inability to digest protein has said eating a normal diet would leave him brain damaged. Mark Edwards, 35, has phenylketonuria (PKU), meaning he can only eat 6g (0.2oz ...