Dietary research is a fool’s errand — it’s too complex.
When it comes to weight gain, fructose should not be singled out for blame, a new review of the scientific literature suggests.
The review, in the Annals of Internal Medicine, shows that excessive calories — and not any unique properties of fructose — are more likely to lead to extra pounds.
“Is fructose really the source of all metabolic evil?” says researcher John Sievenpiper, MD, PhD, of McMaster University in Hamilton, Ontario, Canada. “From our standpoint, it does not look like it is”.
However, the authors acknowledge that many of the studies they reviewed had serious shortcomings. Therefore, their conclusions are, in a word, inconclusive.
“Overall, the evidence from our analysis is too preliminary to guide food choices in the context of real-world intake patterns,” they write…