Cubes of Diabetes?
A Pharm.D (Dr of Pharmacology) and a pair of MD’s surveyed much of the available scientific literature—both animal and human studies—and concluded that fructose is a major culprit in the rise of type 2 diabetes and prediabetes. Fructose does its damage by increasing insulin resistance. ScienceDaily has the details.
Be aware that their conclusion is certainly not universally accepted. I just read “Pathogenesis of type 2 diabetes mellitus” at UpToDate.com and saw no mention of fructose. Under dietary factors, they mainly talked about obesity and how that increases insulin resistance, leading to elevated blood sugars, while the reverse happens with weight loss. I haven’t looked at all the research so I have no definite opinion yet on the fructose-diabetes theory; I’m skeptical.
Fructose is a type of simple sugar. Common dietary sources of fructose are fruits, table sugar (aka sucrose, a 50:50 combination of glucose and fructose molecules), and high-fructose corn syrup (which is usually 42 or 55% fructose).
Damaging effects, if any, of fructose in these fruits may be mitigated by the fiber
A few quotes from ScienceDaily:
“At current levels, added-sugar consumption, and added-fructose consumption in particular, are fueling a worsening epidemic of type 2 diabetes,” said lead author James J. DiNicolantonio, PharmD, a cardiovascular research scientist at Saint Luke’s Mid America Heart Institute, Kansas City, MO. “Approximately 40% of U.S. adults already have some degree of insulin resistance with projections that nearly the same percentage will eventually develop frank diabetes.”
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While fructose is found naturally in some whole foods like fruits and vegetables, consuming these foods poses no problem for human health. Indeed, consuming fruits and vegetables is likely protective against diabetes and broader cardiometabolic dysfunction, explained DiNicolantonio and colleagues. The authors propose that dietary guidelines should be modified to encourage individuals to replace processed foods, laden with added sugars and fructose, with whole foods like fruits and vegetables. “Most existing guidelines fall short of this mark at the potential cost of worsening rates of diabetes and related cardiovascular and other consequences,” they wrote.
If you’re eating a typical Western or American diet, you’ll reduce your fructose consumption by moving to the Mediterranean diet, the Advanced Mediterranean Diet, Low-Carb Mediterranean Diet, or the Paleobetic Diet.
RTWT.
Steve Parker, M.D.
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Advanced Mediterranean Diet 