Study Finds No Link Between MMR Jab And Autism
A study by researchers has found no evidence that the controversial MMR vaccination is linked to autism.
There had been a theory that the MMR vaccine, given to immunise against measles, mumps and rubella, damages the intestine which creates digestive problems.
It was thought this leads to the production of peptides which can damage the brain and cause autism.
Researchers at Great Ormond Street hospital, Guy’s and St Thomas’ hospital and Edinburgh University examined this “leaky-gut” theory.
They examined a control group of 65 boys aged five to 11 with autism and 158 boys aged four to 11 without autism.
It was found that higher levels of peptides, which are detectable in urine, are not produced by children with autism.
Dr Hilary Cass, of Great Ormond Street said: “It is very distressing to have a diagnosis of autism, a lifelong condition. Many families are driven to try out interventions which currently have no scientific basis.”
Parents have tried to counter the effects of the digestive problems with a special diet for their children, reduced in protein and casein.
Speaking on the diet Dr Cass added “Our research throws serious scientific doubt on the putative scientific basis of that diet”.