Paleo Diabetic

An article in the Journal of the Academy of Nutrition and Dietetics found an association between overweight/obesity and consumption of ultra–processed foods in U.S. adolescents.

The study looked at 3,600 adolescents who reported their food intake over a 24-hour period. The results are pretty strong: the more ultra-processed food consumed, the greater the odds of overweight and obesity.

Jan at The Low Carb Diabetic blog reported that:

Ultra-processed foods make up ‘two-thirds of calories consumed by children and teens’
Experts from Tufts University in Massachusetts studied two decades of dietary data to 2018 and found that the amount of calories young people consumed from ultra-processed foods jumped from 61 per cent to 67 per cent.

I’m not paying for the JAND scientific report so I don’t know how they defined ultra-processed foods. The definition varies quite a bit over time, by researcher, and by research goals. From the U.S. National Library of Medicine:

The definitions [of ultra-processed foods] used in 2009, 2010, 2012, 2014, and 2016a represent the definitions used from publications devoted solely to that purpose and are heavily referenced in the literature on ultra-processed foods. The definitions used in years 2015, 2016b, and 2017 are from articles that focused on the relation between ultra-processed food intake and public health nutrition, in which definitions of ultra-processed foods are presented in detail in the article. The first definition alludes mainly to the use of both food additives and salt in food products (6). The second introduces the putative impact of ultra-processed foods on accessibility, convenience, and palatability of ultra-processed foods (8). Subsequently, the definitions become longer and include more elements. Thus, the third definition builds on previous definitions but introduces 2 new angles (9). One is the nonavailability of ingredients used in ultra-processed foods from retail outlets such as supermarkets, and the second introduces food additives as the most widely used ingredients, in numerical terms, in the manufacture of ultra-processed foods. The next definition now introduces the role of food fortification as a defining element of ultra-processed foods (4). Further definitions introduce new elements such as the importance of foods synthesized in a laboratory, based on organic materials such as oil- and coal-based additives and flavoring compounds (10), a specification for the minimal number of ingredients to be found in these foods (5), and then an emphasis on the inclusion of salt, sugars, oils, and fats as a starting point for defining ultra-processed foods. This definition gives details of specific categories of food additives and highlights how the intended use of these additives is to imitate sensory qualities of fresh or minimally processed foods (group 1) or to specifically disguise undesirable qualities of ultra-processed foods (11). The final definition from 2017 (12) is quite similar to that used in the 2016b publication (11).

If you want to dive deep, you can download a list of ultra-processed food examples from that NLM article. I didn’t. But I figure the way to avoid over-processed foods is to eat food closer to the way God made it rather than man-made.

Steve Parker, M.D.

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From the Journal of Obesity:

…. 10-year weight gain is substantially greater in US women compared to men. On average (±SE), women gained 5.4 ± 0.3 kg and 9.2 ± 0.4 percent of their initial weight over the previous 10 years, whereas men gained 2.6 ± 0.2 kg and 3.8 ± 0.3 percent of their initial weight. In general, compared to US men, women gained about twice as much weight (kg) and 2.4 times more weight expressed as a percent of initial weight, over the previous 10 years. Fourth, 10-year weight gain is significantly higher in Non-Hispanic Blacks than in other racial groups, especially NH [non-Hispanic] Black women. Moreover, 10-year weight gain is significantly lower in Non-Hispanic Asians compared to other racial categories.

If you think in pounds instead of kilograms, like me, note that 1 kg = 2.2 lb.

Since 2000, U.S. obesity in adults has increased from 30% to 42% of the population. This doesn’t even include suspected pandemic-related weight gain.

Mean 10-year weight gain was 4.2 ± 0.2 kg or 6.6 ± 0.2% of initial body weight within the United States. 

The incidence of severe obesity had increased from 5% in 2000 to almost 10% now. (The article likely defines “severe obesity” but I didn’t catch it in my quick scan.)

Not enough Americans are implementing my Paleobetic Diet!

Steve Parker, M.D.

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