Vitamin D, the study of disease

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Summary (with approximate timestamps
(00:02–00:38) Introduction to Dr. David Grimes
Lifelong physician, consultant, medical researcher/teacher, and pioneer in vitamin D.
Early recognition of widespread vitamin D deficiency and its link to multiple diseases.
(01:16–03:15) Discovering Vitamin D Deficiency
Worked in Blackburn, NW England, a region with high poverty and a large South Asian population.
Began measuring vitamin D in ~5,000 patients in the 1980s, finding up to 85% of white patients and 95% of South Asian patients severely deficient.
(03:51–05:28) Tuberculosis and Vitamin D
TB risk soared in the South Asian community 6–8 years after arriving in the UK, likely triggered by lack of sunlight (vitamin D).
Vitamin D supports T-cell function (cellular immunity), helping contain TB bacteria.
(08:39–10:34) Historical Insights on Rickets and TB
Historical data (Glasgow, early 1900s) showed rickets (vitamin D deficiency) and TB clustered in poor, indoor workers.
A 1926 study in Bombay revealed wealthier families (who stayed indoors) suffered more rickets/TB, whereas poorer families working outdoors were healthier.
(14:13–15:10) Maternal and Childhood Vitamin D
Vitamin D deficiency in pregnancy can cause rickets and long-term health issues for children.
Babies born in winter months (when mothers have less sun exposure) have higher risks of certain diseases (e.g., multiple sclerosis).
(18:09–23:00) Broader Disease Links (Renal Disease, Diabetes, Heart Disease)
Chronic kidney disease and autoimmune conditions may be worsened or triggered by low vitamin D.
Cardiac disease (atherosclerosis, coronary artery disease) may involve chronic infection/inflammation, where vitamin D is crucial to immunity.
Type 2 diabetes correlates with low vitamin D, possibly due to effects on insulin resistance.
(27:30–31:52) Case Histories: Abdul and Frank
Abdul: Arrived from Pakistan as a child; spent most life indoors in poor conditions. Developed kidney failure, TB, strokes, heart attacks, diabetes—all tied to poor immunity and vitamin D deficiency.
Frank: Born in a deprived area, developed peptic ulcers, coronary artery disease, strokes, and peripheral vascular disease. Again, linked to chronic vitamin D deficiency and social deprivation.
(40:48–46:32) Decline in Heart Disease & Role of Infection
Heart attacks peaked around 1970, then declined—possibly related to shifts in infection patterns and immunity.
Vitamin D deficiency undermines the body’s ability to fight chronic inflammatory/infective processes in arterial walls.
(50:00–1:03:00) Public Health Implications
Advocates routine vitamin D testing, especially in pregnancy: “No child should be born deficient.”
Highlights the importance of vitamin D for immunity against all infections (rather than specific vaccines alone).
Notes that individuals vary widely in how much vitamin D they need (body weight, skin color, sunlight exposure).
(1:06:00–End) Conclusion and Next Steps
Emphasizes vitamin D as “low-hanging fruit” for global health improvement.
Dr. Grimes plans to reissue/update his book in PDF form for wider distribution.
Encourages broader public health policies to ensure universal vitamin D adequacy and break cycles of preventable disease.
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I am a former nurse who does research as well, I never believed in the "thing" that caused so many problems. I was a great believer in Vitamin D and Zinc taken together proved a really good barrier against the 'thing'. Twice I was in direct contact with the virus but I got nothing as I upped my dose of vitamin D and zinc on those two occasions, I should have but I didn't. These two things I take every single day no matter what..

LadyBlanche.
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Dr. Campbell’s work is so important, if only there was a Nobel prize category for public health educator, he would deserve it! He probably also would make sure to contribute to his great causes in impoverished places

nycgorodok
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I adore Dr. Campbell podcast, who doesn't!...

AnaGama-uh
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I wasn't let down by the government, they did what I expected, I knew they were up to no good. I was let down by my fellow citizens that fell for it and took no steps to research or question the narrative or the product they got injected

ANYTHING-AND-EVERYTHING.
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Fascinating discussion. My first Son was born in Spain in 2008. He had pail skin and looked Anaemic. Everyday, they put him in low light sun for 1 hour a day x times a day, for the first week of his life. They said he needed the nourishment of the sun(i was sceptical but adhered) After a few days he started to eating and acting like a normal baby.. at first i was concerned, but i often think of it.. Now i understand and i am happy to say he is a very very healthy young sports athlete with exceptional health

neildean
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If you're here please show support for this channel at least give it a thumbs up for truth and support 👍

mrcomenttoe
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I moved to the UK from Australia in 2000. When I returned for a visit 5 years ago, I went to the GP to get answers for some health issues I was having, as I was hitting a brick wall over here (UK). They were extremely alarmed by my low vitamin D levels. Like… the doctor appeared to be almost panicking about it. He suggested a course of vit D and to get my levels checked in 3 months back in the UK. I did as instructed, however, I had to fight for a blood test with the UK GP and was told, “everyone in the UK has low vitamin D” and to “just eat fortified cereal”. My bloods came back still low in my opinion (based on what the Aussie doctor recommended), however the UK doctor felt they were fine and that I should just accept that I have low levels because I live here. I learnt later that the two countries have differing acceptable levels.

yekegirl
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Seed oils were not used for fast food in 1970. Tallow and lard were used for cooking. Inflammation was on the rise using seed oils, hence chronic conditions everywhere in the body along with using sugar in all food products. All marketed as nutritious.

maryshyrock
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So glad you continue to raise awareness 🙏 🙌

luciusverusluciusverus
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Great you are pressing this issue. Cheap and easy to sort yourself out too. But THEY like to keep us all in the dark re this. Everyone should take charge of making themselves well based on this evidence. Thank you gentleman for your honesty, transparency, and expertise

nicolawebster
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What a brilliant podcast ..I've learnt so much

timwright
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❤ these conversations with your brilliant peers! THANK YOU! THANK YOU for sharing!

mjdueio
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This is a wonderful intellectual and 100% honest conversation.
Thank you Dr John and Dr David Grimes. I could listen to you both for days and days, I’m learning so much from you both. I keep all your videos so I can take notes of your professional and expert teaching. That’s how I’m learning all what I know.
Please Dr John, I’m now retired but only 66yrs old. I’m a
strong and I need to help people who are blinded by this so-called blind leading. I live in the light and no one else will keep me in the dark anymore. Dr John, please I have many things to offer other than my precious
Times I dearly want to share how to get help, and I will work so hard for people.
I do not charge money but give my time freely. Christian love and Jesus support is our command. YOU GIVE THIS INFO FREE…..PLEASE GIVE IT BACK FREELY AND OUT OF CRISTIAN LOVE❤😊❤😊. PLEASE KEEP JESUS IN YOUR PRAYERS AND OUR FATHER IN THE HEAVENS. Please accept it with Christian love and unconditionally love. With love JULES

PinkRoses
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The best hour and twenty six minutes ive spent!!! So interesting and worth to acquire this knowledge! Look after yourself as no one cares more about your health than you. Thank you both 😊

teresagray
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FWIW, I've been taking 10, 000IU D3 (+ 250mcg K2-MK7) for aeons. A recent blood test showed 89ng/ml. #score
BTW, I'm UNjabbed & never got the W_u-h-a_n flu, any variant.
Yes, I've been taking all the flccc-endorsed supplements too.
Healthy 64yr old male, BMI 24.4, RHR 54, BP 118/81.

oibal
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Anything the WHO recommends, I now do the opposite. A book 'Health and Beauty Mastery' by Julian Bannett exposes so many shocking truths. I completely changed my habits.

mikaelajasonnn
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So easy listening to Dr Grimes talking to JC. Common sense thinking.

doughill
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I could listen to these two gentlemen all day - unfortunately I'd get no work done.

davidshapiro
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Just topping up on my 20000 units! Thank you for getting the message out, I have a wonderful Spanish Dr to thank about 2013 for saving me on this!

FiscalWoofer
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I retired to Italy 7 years ago. 6 years ago, my doctor prescribed Alfacalcidolo capsules (Diserinal). Taken daily, with or after food, followed by sun exposure. I remain fit and well at age 71, unjabbed and never infected with you-know-what. At the end of October 2023 I had a heavy fall onto my shoulder when a car cut me up on the cycle path. The bike needed new handlebars; I was left with the same old shoulder. Not broken! My doctor said, keep taking the capsules 😅

mariecurie