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Exploring the truth about vitamin D, historical uses of heliotherapy, a 9-year study on vitamin D toxicity with no adverse effects, resistance to vitamin D benefits in research, and the correlation between low MS, cancer, diabetes risks near the equator.
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Podcast summary created with Snipd AI

Quick takeaways

  • Higher doses of vitamin D may be necessary for individuals with vitamin D resistance, older individuals, those with darker skin, or higher body weight.
  • Historical use of heliotherapy for various health conditions suggests the potential benefits of adequate sun exposure and vitamin D intake.

Deep dives

Controversy Surrounding Vitamin D Intake

The podcast challenges the conventional wisdom around vitamin D intake, highlighting the controversy surrounding the recommended daily allowance (RDA) set at 600 IUs. The speaker questions the origins of this number, suggesting it may have been arbitrarily chosen to deter people from taking higher doses. They discuss how historical practices like sunbathing were effective in treating various health conditions, pointing out the shift towards sun avoidance and concerns about vitamin D toxicity. Research findings from the University of Illinois Chicago contradict prior reports of vitamin D toxicity, indicating high dosages up to 1 million IUs did not result in toxic effects.

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