Broadcast from KSQD, Santa Cruz on 8-06-2026:
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An emailer with persistent nine-month nerve damage in her right leg after a hysterectomy asks whether peptides could help. Dr. Dawn attributes the injury to lithotomy positioning during surgery, then reviews the main nerve-regeneration candidates in the FDA peptide review pipeline: BPC-157 (Body Protection Compound, strong rat data on sciatic nerve recovery with thicker myelin sheaths), intracellular sigma peptide (targets glial scar CSPGs blocking CNS regrowth), C3 peptide 156-181, GHK-Cu (copper peptide, upregulates nerve growth factor and neurotrophin-3), self-assembling hydrogel scaffolds for bridging nerve gaps, ARA-290/cibinetide (an erythropoietin fragment with early small fiber neuropathy trial data), and Semax (used internationally for stroke rehab). She adds standard functional-medicine adjuncts: alpha-lipoic acid, methylated B12, and methylfolate at high doses for six months.An emailer asks about safe features when buying an infrared sauna. Dr. Dawn covers three concerns: EMF exposure (look for shielded/grounded heaters testing under 1 milligauss at seat level, avoid unshielded Wi-Fi and Bluetooth panels); VOC off-gassing (avoid plywood, particle board, and MDF because of formaldehyde and benzene release, and avoid Western red cedar and pine because of high terpene emissions and instead choose poplar, basswood, or eucalyptus); and avoid built-in oxygen ionizers, which produce ozone as a coronal-discharge byproduct that irritates airways and generates secondary oxygenated VOCs.Dr. Dawn covers the surprisingly long list of medications that raise estrogen in middle-aged men—including nearly all antidepressants and antiepileptics, statins, NSAIDs (specifically naproxen and indomethacin but not ibuprofen), most blood pressure medications, PPIs, H2 blockers, Parkinson's drugs, antihistamines, and muscle relaxants. She recommends annual monitoring of the estrogen-to-testosterone ratio and offers rebalancing options: topical chrysin (blocks aromatization), indole-3-carbinol, calcium D-glucarate (blocks enterohepatic estrogen recirculation), soy (competitive receptor inhibition), and grape skin extract.The first mRNA-based flu vaccine was approved this week for adults 50 and over. Beyond the 27% improvement in seasonal efficacy over conventional shots, the strategic advantage is manufacturing speed. This will be critical when or if bird flu mutates to respiratory human transmission. Since mRNA vaccine can be reprogrammed from a new viral sequence in weeks versus the three-to-four-month growth cycle for conventional flu vaccines, rapid response can save lives. But mRNA vaccine side effects include more injection-site pain and fatigue - more like a tetanus shot than a traditional flu shot..A Spanish prospective study of chemicals affected puberty in the young studied 500 girls followed from ages 7-10 and again at 14-16 used urine chemical measurements as objective exposure markers rather than food diaries. Ethylenethiourea, a metabolite of dithiocarbamate fungicides used heavily on strawberriess,was associated with earlier menarche, while a chlorpyrifos metabolite was associated with delayed menarche. this latter effect was more pronounced in overweight girls whose fat tissue concentrated the compound. Dr. Dawn recommends organic strawberries and keeping children away from fumigated fields.University of Pennsylvania School of Dental Medicine researchers developed a chewing gum from lablab beans containing the natural antiviral protein FRIL, which reduced oral HPV by up to 93% in samples from head and neck squamous cell carcinoma patients. The gum also suppressed Fusobacterium nucleatum and Porphyromonas gingivalis, oral bacteria that promote cancer recurrence.Michigan State University's Hamburger lab studying delphinium (larkspur) alkaloids joined forces with Tomáš Pluskal's Czech Academy of Sciences lab studying wolfsbane (monkshood) after meeting at a Barcelona conference. Together they mapped the biosynthetic assembly line for aconite—an alkaloid with valuable applications against malaria, pain, cancer, and agricultural pests but impossibly slow to extract from source plants—and cloned the pathway into tobacco, which grows aggressively and produces large quantities of the compound.An emailer named in the message asks about an incidentally-discovered enlarged aorta on CT. Dr. Dawn notes it officially becomes an aneurysm at 4 cm (annual monitoring) or 5 cm (six-month monitoring), with smoking cessation critical since tobacco directly weakens the aortic wall. She describes the "zipper of fire" back pain of dissection versus catastrophic rupture, and notes Medicare covers a one-time screening ultrasound for ever-smokers over 65.
