Q. Is there a medical basis for the “sugar high,” which some parents claim their children get after eating sugar?
A. The theory of the “sugar high” has been debunked, yet the myth persists.
The notion that sugar might make children behave badly first appeared in the medical literature in 1922. But the idea did not capture the public’s imagination until Dr. Ben Feingold’s best-selling book, “Why Your Child Is Hyperactive,” was published in 1975.
In his book, Dr. Feingold describes the case of a boy who might well be “patient zero” for the putative connection between sugar and hyperactivity:
[The mother’s] fair-haired, wiry son loved soft drinks, candy and cake — not exactly abnormal for any healthy child. He also seemed to go completely wild after birthday parties and during family gatherings around holidays.
In the mid-’70s, stimulant drugs such as Ritalin and amphetamine were becoming popular for the treatment of attention deficit hyperactivity disorder. For parents who were concerned about drug side effects, the possibility of controlling hyperactivity by eliminating sugar proved to be an enticing, almost irresistible, prospect.
Some studies supported the theory. They suggested that high sugar diets caused spikes in insulin secretion, which triggered adrenaline production and hyperactivity. But the data were weak and were soon questioned by other scientists.