Daragh Cassidy from Co Armagh was born with phenylketonuria (PKU), which forces him to drastically restrict his intake of protein.

Co Armagh schoolboy born with disorder that stops his body breaking down protein

Fiona Cassidy with daughter Emily (10), son Daragh (14) and husband Christopher

A Co Armagh father is campaigning to raise awareness of a “challenging” medical condition that requires his son to stick to a bland diet.

Daragh Cassidy (14) was born with phenylketonuria (PKU), which forces him to drastically restrict his intake of protein.