It's important to note that Professor Jennie Brand-Miller and Dr Alan Barclay are not alone in their views about fructose. Many scientists around the globe question the validity of the claim that the sugar fructose is toxic, for example:
David Despain. Stop singling out sugar
Scientific American. Is Sugar Really Toxic? Sifting through the Evidence
Sugar Showdown: Science Responds to "Fructophobia" showcased at the recent EB2012 conference in San Diego.
Dr John Sievenpiper, M.D. Fate of fructose
Dr Arya M. Sharma, M.D. Why Banning Sugar Will Not Solve Obesity.
Dr Mark Kern, RD, PhD. Scientific Review of Robert Lustig's Fat Chance
Dr John S. White., PhD. Challenging the Fructose Hypothesis: New Perspectives on Fructose Consumption and Metabolism