Stevenson was sentenced to four years in prison for managing prostitutes and assault, but was released after 20 months. S tevenson was enraged by the La Presse story, though I have yet to find a press account in which he actually denied the details.
Genetic mutation. PKU is caused by a genetic mutation (change to the DNA) in the human phenylalanine hydroxylase (PAH) gene. There are many different types of mutations that can affect the PAH gene, all of which result in the body not producing a functioning PAH enzyme.
Phenylketonuria (PKU) is a rare inherited condition in which there is a build up of phenylalanine in the body.KU is a treatable condition. Phenylalanine is found in the protein part of the food we eat. The treatment is a low protein diet. This means that high protein foods such as meat, cheese, poultry, eggs and milk are not permitted.