Vitamin D's Anti-Aging Benefits, Iron Deficiency Effects on Sex Development, and Emergency Medical Training

Jun 21, 2025

Discover how 2,000 IU of vitamin D daily can slow biological aging by three years! Dive into intriguing research showing maternal iron deficiency can influence fetal sex development, with implications for gender identity. Hear inspiring stories of CPR and AED saving lives after cardiac arrests, and learn about a mobile app connecting people to emergency resources. Explore the rise in voluntary sterilizations post-Roe v. Wade, and the alarming environmental consequences of recent wildfires. This conversation is packed with eye-opening insights!

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INSIGHT

Vitamin D Slows Cellular Aging

Taking 2,000 IU of vitamin D daily prevents telomere shortening in immune cells, slowing biological aging by about three years.
Vitamin D supplementation showed reduced cancer incidence and autoimmune diseases in the VITAL study subgroup.

INSIGHT

Vitamin D Reduces Cancer and Autoimmunity

Vitamin D supplementation reduced incidence of metastatic cancers by 17% and autoimmune diseases by 22% over five years.
Omega-3 fatty acids showed no impact on telomere length but have other health benefits.

INSIGHT

Vitamin D Efficacy Varied by Health Status

Vitamin D's protective effect on telomeres was absent in patients on statins and obese individuals.
Obesity may sequester vitamin D in fat, limiting its availability.

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Broadcast from KSQD, Santa Cruz on 6-19, 2025:

Dr. Dawn presents the VITAL study evidence showing 2,000 IU daily vitamin D prevents telomere shortening in immune cells, effectively slowing biological aging by three years.
Groundbreaking mouse research reveals maternal iron deficiency can alter fetal sex development. When iron levels dropped 60%, the SYR gene controlling male development switched off, causing 6 of 39 XY offspring to develop ovaries instead of testes. Thus, mammalian sex can be influenced by environmental factors just like in amphibians and fish. Dr. Dawn connects this to gender identity questions, advocating supporting puberty blockers based on their 30-year safety record.
Dr. Dawn advocates widespread CPR and AED training after describing a successful Buffalo airport rescue. With 350,000 annual out-of-hospital cardiac arrests and 90% fatality rates, immediate AED intervention can triple survival odds. She promotes the Pulsepoint app registering 185,000 AEDs and praises countries like Norway achieving 90% population CPR training through driver's license requirements.
Post-Roe v. Wade data shows vasectomies doubled in men aged 19-26 while tubal ligations rose 70%, mostly in abortion-ban states. Dr. Dawn notes the irony that policies intended to increase births prompted widespread voluntary sterilization.
Environmental concerns from January 2025 Moss Landing battery fire and LA wildfires highlight toxic contamination from burning lithium, plastics, and building materials. She advocates fire-resistant landscaping and home hardening, noting some fire-resistant homes survived while surroundings burned.
British research shows pet ownership provides life satisfaction equivalent to $90,000 annual income boost. Dr. Dawn experiences this firsthand, noting pets provide family-like benefits without complex interpersonal dynamics.
Sleep study reveals 15 minutes additional nightly sleep improves cognitive performance in tweens. Children sleeping 7.25 versus 7.10 hours showed better academics and larger brain volumes, though Dr. Dawn questions causation versus correlation.
Mayo Clinic identified Interleukin-23 as a reliable cellular senescence biomarker across multiple tissues. Natural compounds like quercetin, fisetin, and luteolin can reduce these aging markers, supporting her dietary supplementation philosophy.