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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.
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