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John’s Substack

John Campbell

My personal Substack

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PricingOnly free issuesPublishesDaily
Issues45Founded3 years agoLast Issue7 days ago
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Latest Issues

Flaxseed, Blood Pressure and Cardiovascular Health

If you do not have time to watch this video or to read through this sub stack you may be interested simply to know that I now supplement my diet with flaxseeds on most days mixing in with porridge, cereals and other foods. I do this because...

7 days ago
101
19

Excess ill-health among Black African and South Asian ethnic minorities

Central argument: We propose that severe vitamin D deficiency, partly related to reduced cutaneous vitamin D synthesis in darker skin at northern latitudes, may be an important and under-recognised biological contributor to ethnic health in...

15 days ago
60
8

More people living to 100

Why Are There So Many Centenarians?

In this discussion, John Campbell talks with consultant physician and medical researcher Dr David Grimes about the remarkable increase in the number of people living to 100 years and beyond. The conversa...

15 days ago
87
27

Vitamin D and calcifediol

Safe, effective and cheap

In this discussion, John Campbell and physician, Dr David Grimes examine the essential role of vitamin D in immune function.

Thanks for reading John’s Substack! Subscribe for free to receive new posts and support...

19 days ago
168
75

Very strange white fibrous clots

Very strange white fibrous clots

The video examines unusual post mortem ‘clots’ as seen above. These structures are light in colour and often white. They are completely distinct from the red form of clots typically seen that developed f...

25 days ago
274
78

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  • John Campbell

    Nurse teacher, researcher, film maker.

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