Ask Doctor Dawn

Broadcast from KSQD, Santa Cruz on 10-10-2024: Dr. Dawn announces Medicare's new list of over 200 drugs available for $2 per 30-day supply, covering a wide range of medications. She discusses a new urine test called ExoDx for prostate cancer screening, which can help avoid unnecessary biopsies in the "gray zone" of elevated PSA levels. The doctor addresses a listener's question about Klebsiella pneumoniae found in a nasal swab, explaining colonization versus infection and the risks of unnecessary antibiotic use. Dr. Dawn explores the reliability of QuantiFERON TB tests, suggesting potential false positives and the importance of retesting with different antigen tubes. She discusses orthostatic hypotension in older adults, offering practical tips like squeezing a firm ball before standing up and proper standing techniques to prevent falls. The doctor explains the importance of vitamin A for vegans, highlighting potential BCMO1 genetic variations that may affect beta-carotene conversion and recommending blood tests. Dr. Dawn addresses a question about elevated bilirubin levels post-gallbladder removal, discussing possible causes and diagnostic procedures like MRI and ERCP.

Broadcast from KSQD, Santa Cruz on 10-03-2024: In response to several listener emails, Dr. Dawn expands on the benefits of Nori powder and Rhamnan sulfate, including their effects on cholesterol and the glycocalyx. TheThe type of Nori seaweed species with the high amounts of Rhamnam sulfate is monostroma nitidum (Japanese name Hitoegusa,) and can be obtained online at Https://okume.us. She then took a little time to recap the antiviral, anti-glycemic, and cardiovascular benefits of Rhamnan sulfate found in certain seaweeds. The doctor then emphasized the importance of hot water extraction for seaweed and mushrooms as dried powders to increase bioavailability of beneficial compounds. In response to another email, Dr. Dawn addressed green tea's interaction with iron which binds and prevents absorption and its potential impact on EGCG's antioxidant properties. This lead to a brief reassuring discussion about internet memes around the safety of tea consumption and debunking concerns about lead contamination in most commercial teas. We then heard about the potential link between a common artificial fragrance Musk Ambrette, which is implicated in causing early puberty in girls as young as 9 years old. Dr. Dawn briefly comments on the need for a new economic model to address the growing threat of antibiotic-resistant superbugs and the need for new antibiotics. A discussion on so-called anti-nutrients in foods, including lectins, oxalates, and phytates, and their actual impact on health. The importance of cooking methods in reducinganti-nutrients and increasing mineral availability in foods. The potential benefits of phytoestrogens, particularly from soy, in reducing cancer risk for young women. The risks associated with processed and convenience foods, particularly regarding microplastics. In response to a telephone question, the doctor gave some strategies for managing herpes outbreaks and its potential long-term effects on brain health. She also emphasized the importance of sleep and exercise for longevity and overall health.

Broadcast on KSQD, Santa Cruz on 9-26-2024: Dr. Dawn discusses a study on mice whose abdomens were made transparent using tartrazine aka yellow dye #3, explaining the physics behind this phenomenon and potential medical applications. The FDA's approval of an new and cheaper epinephrine nasal spray called Neffy is announced as a more convenient alternative to EpiPens. Hyperaldosteronism, a potentially underdiagnosed condition causing treatment - resistant hypertension in many patients, is explained along with its symptoms and testing methods. A study suggesting that COVID lockdowns may have prematurely aged teenagers' brains is discussed, with notable differences in brain scans of areas affected between boys and girls. Research on racial disparities in unscheduled emergency C-sections among black and white women is examined, considering various factors that might contribute to this difference. Dr. Dawn reviews a meta-analysis on the risks of screening colonoscopies, highlighting higher complication rates than previously thought. The show explores exciting new research on breast milk components and their potential therapeutic applications for various conditions in adult. Recent findings on human aging patterns are presented, revealing two significant aging points in life and discussing how different body systems age at varying rates.

Broadcast on KSQD, Santa Cruz on 9-19-2024: Read the fine print! Dr. Dawn explains the pros and cons of Medicare Advantage plans compared to traditional Medicare A caller seeks advice about whether to have gallbladder removal surgery, and Dr. Dawn discusses the risks,benefits. and alternatives. The show addresses a listener email question about high oxalate foods and their potential effects on health. Prompted by another email, Dr. Dawn explains the causes and treatments for leg cramps, particularly in older adults. A caller inquires about prediabetes and diabetes management, and Dr. Dawn discusses blood sugar monitoring and lifestyle changes. In the aftermath of a recent press release of a study prior to formal peer review claiming high levels of microplastics in human brains, with Dr. Dawn expressing guarded skepticism about the findings. Dr. Dawn the discusses an interesting archaeological study revealing arthritis patterns in ancient Egyptian scribes , highlighting the longstanding connection between occupation and joint health.

Broadcast from KSQD, Santa Cruz on 9--12-2024: Dr. Dawn explains gout, its causes, and conventional and alternative medical approaches to treating it. The role of the gut microbiome in gout is explored, including how certain bacteria can influence uric acid levels. Diet and lifestyle recommendations for managing gout are discussed, including prebiotic-rich foods and fermented foods. The Glycocalyx, a thin membrane lining blood vessels, is introduced as an important factor in cardiovascular health. Factors that damage and protect the Glycocalyx are discussed, including the effects of hyperglycemia and certain medications. Rhamnan sulfate, derived from seaweed, is highlighted as a potential supplement for improving vascular health and reducing atherosclerotic plaques. A new method of testing for sleep apnea using sweat analysis is presented, offering a potential alternative to current diagnostic methods. The show compares surgical and non-surgical approaches to treating Achilles tendon ruptures, discussing the benefits of functional bracing over immobilization.

Broadcast from KSQD, Santa Cruz on 5-30-2024 and 9-05-2024: Cognitive errors in medicine dismissing unusual presentations as psychological A case of Pediatric Autoimmune Neuropsychiatric disorders Associated with Streptococcal Infections (PANDAS) Anti-NMDA receptor encephalitis causing psychiatric symptoms Failures of genetic research to identify causes Need for integrating neurology and psychiatry; Importance of testing for antibodies and using MRI scans Detailed explanation of immune tolerance, peripheral tolerance, and the phenomenon of molecular mimicry in diseases like multiple sclerosis and celiac disease Importance of addressing root causes rather than just symptoms Historical context and current advancements in treating autoimmune diseases like type 1 diabetes, lupus, and multiple sclerosis using reprogrammed immune cells and iron oxide nanoparticles Explanation of how the liver filters blood and helps establish immune tolerance by processing cellular debris and antigens Advances in engineering regulatory T cells to target specific disease sites and calm inflammatory responses Exploration of new diagnostic tools and the potential of AI in understanding complex psychiatric conditions Detection of colds and other diseases by analysis of voice frequency patterns

Broadcast from KSQD, Santa Cruz on 8-29-2024: Dr. Diana Schwarzbein explains the concept of damaged metabolism, focusing on building and using biochemicals in the body. Dr. Jeffrey Bland discusses metabolic syndrome, insulin resistance, and their widespread effects on various bodily systems. Dr. Mark Houston explores the relationship between insulin resistance, diabetes, and cardiovascular disease. Dr. David Perlmutter explains the connections between diabetes, inflammation, and neurodegenerative diseases like Alzheimer's and Parkinson's. The concept of food as information is introduced, highlighting how nutrients can influence gene expression and cellular function. The role of advanced glycosylation end products (AGEs) in aging and disease is discussed. The importance of fat cells as an endocrine organ and their impact on inflammation is explored. Mitochondrial function and oxidative stress are explained in relation to cellular health and disease. Dietary and lifestyle recommendations for reducing inflammation and improving overall health are provided by multiple speakers. The potential benefits of specific supplements like omega-3 fatty acids, vitamins C and E, and green tea extract are discussed. The speakers advocate for a more holistic, interconnected approach to medicine that addresses root causes rather than treating symptoms in isolation.

Broadcast from KSQD, Santa Cruz on 8-22-2024: Dr. Dawn discusses the overuse of cholecystectomy (gallbladder removal) for gallstones and abdominal pain, emphasizing the need for more careful patient selection. A caller seeks advice about her breastfeeding infant's digestive issues. The show explores a new ultrafast genetic sequencing technology for brain tumors that can provide crucial information during surgery. Dr. Dawn explains how early primary care follow-up after surgery can significantly reduce hospital readmissions, suggesting improvements in scheduling systems. The potential hepatotoxicity of certain herbs is discussed, with Dr. Dawn providing context and questioning the validity of some negative claims about turmeric and green tea. Information about Gymnema, an ayurvedic compound for glucose control, is shared, including dosage and potential effects. Dr. Dawn addresses a listener question about compounded semaglutide as an alternative to brand-name medications like Ozempic. The show concludes with recent research on how anger impairs blood vessel dilation, potentially explaining its link to heart attacks and strokes.

Broadcast from KSQD, Santa Cruz on 8-15-2024: Dr. Dawn addresses a caller's concerns about stomach pain and discusses a simple test for acid stomach and some short term conservative approaches before considering invasive procedures like endoscopy. A caller shares his experience using cannabis and warm water therapy to alleviate back pain and stiffness. Are your memory problems a sign of early Alzheimer's? Dr. Dawn discusses a new blood test for Alzheimer's disease that detects P-tau217 protein levels, potentially allowing for earlier diagnosis and intervention. Dr. Dawn reviews the Lancet Dementia Commission's findings on modifiable risk factors for dementia, including lifestyle choices and health conditions that can impact cognitive decline. The benefits of Tai Chi for improving cognitive function in older adults are highlighted, based on a recent study. Research on wasabi's potential to enhance episodic and working memory in older adults is discussed. Dr. Dawn explains the concept of a battery-powered wound dressing and its potential applications for wound healing, particularly in diabetic patients. The use of hyperbaric oxygen therapy for brain injuries and stroke recovery is mentioned. Dr. Dawn responds to an email about using blackstrap molasses as a source of calcium, discussing its potential drawbacks and suggesting alternatives.

Broadcast from KSQD, Santa Cruz on 8-08-2024: Dr. Dawn compares conventional medicine with functional medicine, explaining their different approaches to diagnosis and treatment. The show addresses a listener's question about nutrition and supplementation for breastfeeding mothers, offering specific advice on omega-3 fatty acids, calcium, vitamin K2, and dietary recommendations. A new study using gut flora analysis and AI to potentially detect autism in children at an early stage is discussed, highlighting the potential for earlier interventions. Recent research using epigenetic markers to identify prenatal exposures allows early diagnosis of subtle, hard to identify congenital defects and start early treatments The show explores other new uses of AI in medical research, particularly in the development of new antibiotics and antibodies for various diseases including cancer. The potential of AI in protein folding prediction and its application in designing more effective antibodies for diseases like Ebola and COVID-19 is explained. Development of new antibiotics and antifungals using AI and nonprofit partnerships is discussed as a way to address antibiotic resistance where no market incentives exist to drive industry investment. Health warnings are given about Valley Fever (coccidiosis) risks at outdoor music festivals in California and dangers of freshwater algae blooms during summer. The potential of repurposing older, off-patent drugs for cancer treatment is explored, using the example of pyrvinium for colon cancer. The rising costs of new cancer drugs and biological treatments are addressed, with suggestions for alternative development models. A concerning increase in congenital syphilis cases is noted, with a call for more widespread testing, especially in pregnant women.