DEAR DR. GOTT: Do you have any information on fructose intolerance? I have been able to find only one book related to the problem. Thank you.
DEAR READER: Fructose intolerance, commonly known as hereditary fructose intolerance (HFI), is a genetic disorder in which the body is unable to break down fructose and some other sugars. It is known as an autosomal recessive disorder, which means that in order to be affected, each parent must have the mutation and pass it on to the child. If only one copy is passed on, the child will be a carrier but will not be affected.
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