Diet and Disease

What’s Your Vitamin D Status?

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How is Your Vitamin D Status?

The precursors for vitamin D are reduced as we age. By age 70, our ability to produce vitamin D is about half of what it was at age 20. D is in scarce supply in our regular diets. Most milk and some juices, milk alternatives and cereals are fortified with D, but other dietary sources — fatty fish like mackerel and sardines, and some mushrooms — aren’t exactly a staple in most American diets. As a result, nearly 1 in 4 people in the U.S. have inadequate blood levels of vitamin D3, the most active form.

How Is Your Vitamin D Status – link above

Yikes.

Reversing Diabetes in Alabama

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Reversing type 2 diabetes through a low-carbohydrate diet is clearly an evidence-based approach. Yet, thus far, the U.S. Department of Agriculture (USDA), which runs the scientific reviews for the U.S. Dietary Guidelines for Americans, the nation’s top nutrition policy, has neglected to acknowledge any of the more than 100 clinical trials on this diet. In the scientific reviews currently underway for the next iteration of the guidelines, due out in 2025, the USDA has declined even to examine this scientific literature. 

Reversing Diabetes in Alabama — https://www.nutritioncoalition.us/news/reversing-diabetes-in-alabama

“Let food be thy medicine and medicine be thy food”

Hippocrates, the father of medicine

Nature Wants Us to be Fat

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Evidence that Obesity and Diabetes are Driven by a Diet-Induced Biological Switch: How it Works and How it Might be Prevented — https://www.vumedi.com/video/evidence-that-obesity-and-diabetes-are-driven-by-a-diet-induced-biological-switch-how-it-works-and-h/

Blog post title is the same as the title of Dr. Richard J. Johnson’s book. The link takes you to a video that is approximately 37 minutes long. Enjoy!

What the Scientists Who Pioneered Weight-Loss Drugs Want You to Know – Wired Magazine

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What happens is that you lose your appetite and also the pleasure of eating, and so I think there’s a price to be paid when you do that. If you like food, then that pleasure is gone. The craving for food for some people is taken away when they take GLP-1 drugs.

So you don’t eat through GLP-1 therapy because you’ve lost interest in food. That may eventually be a problem, that once you’ve been on this for a year or two, life is so miserably boring that you can’t stand it any longer and you have to go back to your old life.

What the Scientists Who Pioneered Weight-Loss Drugs Want You to Know – https://www.wired.com/story/obesity-drugs-researcher-interview-ozempic-wegovy/

Just another GLP-1 receptor agonist post. See Tirzepatide (another GLP-1 receptor agonist post) for more on the new miracle weight loss drugs that were originally developed to treat duodenal ulcer disease (bet you thought it was diabetes).

The entire article is worth reading.

Scary Charts (Beyond BMI) – 06.04.23

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The value of the BMI for tracking the current epidemic of obesity is clearly illustrated in the study by Rodgers et al., which traced the change in the BMI for many subgroups of the US population from 1962 to the year 2000 [23]. (See Figure 1) They showed that the US epidemic of obesity began about 1975 in all age, sex and ethnic groups and continued over the next 25 years. This fact limits the plausible explanations for the current epidemic of obesity. Rodgers and colleagues believe that it is implausible that each age, sex and ethnic group, with massive differences in life experience and attitudes, had a simultaneous decline in willpower related to healthy nutrition or exercise, or that intrauterine exposures played a major causative role. Likewise, changes in genetic make-up are unlikely to have occurred over this short period and to have affected all age groups simultaneously. Similarly, they note that it is unlikely that any factor with a long induction period had a major role in the US epidemic. Rather, they believe that the epidemic must have been caused by factors that led to rapid population-wide changes such as changes in the food supply, and I tend to agree with their conclusion.

Beyond BMI by George A. Bray – Nutrients 2023, 15(10), 2254 – https://doi.org/10.3390/nu15102254

Agree.

Diet Until Proven Otherwise

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Plant foods, high in fiber, can reduce the contact of potential carcinogens with cells lining the digestive tract. The fiber causes food to travel faster through a person’s digestive system. This also reduces intestinal cells’ contact with bile acids, which can promote cancer growth. Fruits, vegetables, whole grains, and legumes also provide phytonutrients and antioxidants, which can help repair damaged cells and reduce cancer risk.

Why poor diets are contributing to a surge in colorectal cancer cases among young people — https://www.kevinmd.com/2023/04/why-poor-diets-are-contributing-to-a-surge-in-colorectal-cancer-cases-among-young-people.html

Life is short and science takes too long.

Change your diet. If you have any changes in your bowel habits, talk to your physician.

Dieting: Brain amplifies signal of hunger synapses (in mice)

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The researchers put mice on a diet and assessed which circuits in the brain changed. In particular, they examined a group of neurons in the hypothalamus, the AgRP neurons, which are known to control the feeling of hunger. They were able to show that the neuronal pathways that stimulate AgRP neurons sent increased signals when the mice were on a diet. This profound change in the brain could be detected for a long time after the diet.

Max Planck Institute for Biology of Ageing. “Dieting: Brain amplifies signal of hunger synapses: Possible target for drugs to combat the yo-yo effect.” ScienceDaily. http://www.sciencedaily.com/releases/2023/03/230324135218.htm (accessed March 28, 2023).