She argued that, despite a number of studies, no one knew what the long- term effects might be.
But Dr Jebb said such a dramatic change in eating habits was a leap in the dark.
Dr Jebb said: "We simply do not know the long-term health implications.
But Dr Jebb said the studies were too limited to provide meaningful evidence.
She offers absolutely no scientific evidence to support her position. Every statement is designed to cast doubt without any reasoned argument for WHY you should doubt. Why do journalists give people like this any credible attention?
So they can get attention.. :o)