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- Michael Greger M.D. FACLM on November 26th, 2019
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Overview Diabetes and vitamin D contains the following
- Diabetes is 5X more frequent far from the equator
- Children getting 2,000 IU of vitamin D are 8X less likely to get Type 1 diabetes
- Obese people get less sun / Vitamin D - and also vitamin D gets lost in fat
- Sedentary people get less sun / Vitamin D
- Worldwide Diabetes increase has been concurrent with vitamin D decrease and air conditioning
- Elderly get 4X less vitamin D from the same amount of sun
Elderly also spend less time outdoors and have more clothes on
- All items in category Diabetes and Vitamin D
517 items: both Type 1 and Type 2
Vitamin D appears to both prevent and treat diabetes
- Appears that >2,000 IU will Prevent
- Appears that >4,000 IU will Treat , but not cure
- Appears that Calcium and Magnesium are needed for both Prevention and Treatment
- which are just some of the vitamin D cofactors
Number of articles in both categories of Diabetes and:
- Dark Skin
24 ; Intervention 55 ; Meta-analysis 36 ; Obesity 32 ; Pregnancy 42 ; T1 (child) 38 ; Omega-3 11 ; Vitamin D Receptor 22 ; Genetics 12 ; Magnesium 26 Click here to see details
Some Diabetes studies
- Glycemic control of type 2 diabetes – only Vitamin D had high quality studies – meta-analysis Sept 2022
- Diabetic inflammation synergistically decreased by Vitamin D and exercise – RCT June 2022
- Incidence of Type-2 Diabetes increased 3X in 30 years (by the way, Vitamin D helps) – July 2022
- Vitamin d treats Type II Diabetes in many ways (14 article review) - Sept 2021
- Diabetes 30 percent more likely if poor Vitamin D Receptor – meta-analysis of 47 studies – July 2021
- Diabetes helped somewhat by weekly 50,000 IU of vitamin D (5 ways to improve) – RCT Aug 2021
- Diabetes prevented by 50,000 IU vitamin D monthly (Iran) – Jan 2022
- Most Diabetics getting 40,000 IU of vitamin D weekly did not get to 30 ng (needed gut-friendly form) - RCT June 2020
50 ng of Vitamin D fights Diabetes
- Saudi study defines normal Vitamin D level to be 50 to 70 ng (diabetes, etc.) - June 2020
- Diabetes 5X less likely if more than 50 ng of Vitamin D – April 2018
- T1 Diabetes 3X lower risk if high vitamin D (over 40 ng) – Meta-analysis Nov 2020
- Type 1 Diabetes is prevented and treated by Vitamin D – review of 16 studies – Sept 2019
- Type 1 Diabetes prevention with Vitamin D and Omega-3 – Symposium April 2019
- Prediabetes reduced by weekly 60,000 IU of Vitamin D – RCT Jan 2021
- Prediabetes 1.5 X more likely to go away if take Vitamin D – meta-analysis July 2020
- Magnesium fights diabetes (yet again)– meta-analysis Nov 2021
- Reduced Magnesium is associated with reduced health (Diabetes in this case) - April 2022
- Magnesium in Obesity, Metabolic Syndrome, and Type 2 Diabetes - Jan 2021
- Step back to 1994. Suppose an epidemic struck the United States, causing blindness, kidney failure, and leg amputations in steadily increasing numbers.
Suppose that in less than a decade's time, the epidemic had victimized one out of every eight people
That epidemic is real, and its name is diabetes, now the nation's sixth leading cause of death.
Chart from the web (2018?)
VitaminDWiki category = Greger has
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Type 1 diabetes, which typically strikes children and young adults, is an autoimmune disease in which our own immune system attacks and destroys the insulin-producing cells of our pancreas. Untreated it’s deadly, but even with well-managed insulin replacement, it may shorten life expectancy by a decade. “Families are devastated when a child receives a diagnosis of type 1 diabetes…Thus, one of modern medicine’s ‘holy grails’” is to understand what causes the body to attack itself, in the hopes that we can cure or prevent the disease. Genetic susceptibility plays an important role, but the “concordance for type 1 diabetes is only about 50% among identical twins.” So, even if someone with our exact same DNA gets the disease, there’s only about a 50 percent chance we will get it, too—meaning there must be external factors as well.
Some countries have low rates of incidence, and others have high rates. Japan, for example, has type 1 diabetes rates 18 times lower than the United States. This disparity isn’t due only to genetics, however, because, when children migrate, they tend to acquire the risk of their new home, suggesting it’s got something to do with the environment, diet, or lifestyle. In fact, the incidence rates vary more than 350-fold around the world. Some countries have rates hundreds of times higher than others, and it is on the rise. Researchers looked at 37 populations from around the world and found that the incidence has been increasing about 3 percent a year—our genes don’t change that fast. In fact, they couldn’t find a single population with decreasing incidence of type 1 diabetes.
Something is going on that started around the end of World War II. “The best evidence available suggests that childhood diabetes [also known as type 1 diabetes] showed a stable and relatively low incidence over the first half of the 20th century, followed by a clear increase that began…around…the middle of the century.” Why the increase, though? A number of factors have been postulated, including vitamin D deficiency, certain infections, or exposure to cow’s milk.
Decades ago, published cross-country comparisons [https://www.ncbi.nlm.nih.gov/pubmed/1797491||showed] a tight correlation between milk consumption and the incidence of type 1 diabetes. The “analysis showed that 94% of the geographic variation in incidence might be explained by differences in milk consumption.” Investigators in Finland, the country with the highest rates of type 1 diabetes and cow’s milk consumption, led much of the research into this area.
It all started with studies like the one I feature in my video Does Casein in Milk Trigger Type 1 Diabetes?, showing that the less babies are breastfed, the higher the rates of type 1 diabetes, leading to the obvious conclusion that “[b]reast-milk protects the newborn infant.” On the other hand, if babies are not getting breast milk, they’re getting formula, which probably contains cow’s milk proteins. In the first few months of life, our gut is especially leaky to proteins. Is it possible that as our immune system attacks the foreign cow proteins, our pancreas gets caught in the crossfire? This was based on animal experiments, however. In susceptible mice, a diet containing the cow’s milk protein, casein, produced diabetes, but it did not cause diabetes in rats. So, are we more like mice or rats?
Researchers drew blood from children with type 1 diabetes to see if they had elevated levels of antibodies that attack bovine proteins compared to controls. Their finding? Every single child with type 1 diabetes had elevated anti-bovine protein antibodies circulating in their blood compared to much lower levels in the control subjects. That seems pretty convincing, but what about Iceland? They drink more milk in Iceland than in Finland, yet Icelanders have less than half the type 1 diabetes. I explore this paradox in my follow-up video Does Bovine Insulin in Milk Trigger Type 1 Diabetes?.
- Different type of casein in milk from Icelandic cows
- Siblings of type 1 diabetics are 5X more likely to get T1D if drink non Icelandic cows milk
- "This issue has even caused dairy boards to begin taking out patents on methods for selecting
- “nondiabetogenic” milk to avoid triggering of Type 1 diabetes."
The vast majority of diabetes cases are type 2, so that’s been my concentration:
Plant-Based Diets and Diabetes
Can Diabetic Retinopathy Be Reversed?
What Causes Insulin Resistance?
Diabetes as a Disease of Fat Toxicity
What Causes Diabetes?
Reversing Diabetes with Food
Diabetes Reversal: Is It the Calories or the Food?
How Not to Die from Diabetes
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