Critically Speaking

37:45

Natalie Wexler: ChatGPT Can Rot Your Brain

Critically Speaking ·

2026/05/19

How does ChatGPT affect your ability to learn, recall, and share information? In this episode, Therese Markow and Natalie Wexler discuss the impact of generative AI (like ChatGPT) on education. They discuss the change in writing skills, how AI can undermine the learning process that comes with writing, and the incorrect information often provided by generative AI. Natalie explains how AI can function as cognitive outsourcing, which can reduce the cognitive benefits of learning and memory

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46:58

Ru Marshall: American Trickster - Carlos Castaneda

Critically Speaking ·

2026/05/12

Ru Marshall pulls back the curtain on the man behind the myth of Carlos Castaneda, exposing the real lives, lies, and losses buried beneath his legendary books. In this episode, Therese Markow and Ru Marshall discuss the life and legacy of Carlos Castaneda, who claimed to have been trained as a shaman by Don Juan. Castaneda's books, which sold over 8 million copies, were initially believed but later dismissed as fiction. Marshall's book, "American Trickster," explores Castaneda's origins in Peru and

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01:05:09

Patrick Wyman: Lost Worlds

Critically Speaking ·

2026/05/05

In this episode, Therese Markow and Patrick Wyman discuss Patrick's latest book, Lost Worlds: How Humans Tried, Failed, Succeeded, and Built Our World. Patrick also discusses his journey as a historian from studying the Fall of Rome to popular history. He emphasizes the importance of understanding past climactic changes and their impact on human societies, including the development of agriculture and the rise of social hierarchies. Patrick also highlights the significance of migration and the

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47:02

Jeanne Marrazzo, MD: NIH-NIAID Lawsuit

Critically Speaking ·

2026/04/28

When a globally respected infectious disease expert is abruptly sidelined by an anti‑vaccine administration, what does it reveal about the future of public health and scientific integrity? In this episode, Therese Markow and Dr. Jeanne Marrazzo discuss her termination and whistleblower lawsuit against the U.S. government. She highlighted NIAID's critical role in infectious disease research, funding $6.6 billion annually. Dr. Marrazzo criticized the new administration's anti-vaccine stance,

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40:33

Dr. Chelsea Polis: Women's Reproductive Rights on the...

Critically Speaking ·

2026/04/21

In this episode, Therese Markow and Dr. Chelsea Polis discuss the evolution of reproductive rights in the U.S., highlighting the 2022 Supreme Court decision revoking the right to abortion and the historical context of contraception access. Dr. Polis also explains fertility awareness-based methods (FABMs) and their effectiveness, noting that some methods have moderate quality studies suggesting high effectiveness, while others are less reliable. She emphasizes the importance of evidence-based

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41:03

Osteoporosis and You

Critically Speaking ·

2026/04/14

In this episode, Therese Markow and Dr. Keith McCormick discuss what you need to know about osteoporosis and bone health. Dr. McCormick explains what causes osteoporosis, the importance of early bone density tests, and breaks down some of the lifestyle factors that affect bone health. They discuss the need for personalized treatment beyond only medication, and Dr. McCormick advocates for patient empowerment and comprehensive understanding to improve treatment outcomes. Key Takeaways: 50% of

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30:38

Dr. Dawn Sarno: Cyberscams and You

Critically Speaking ·

2026/04/07

In this episode, Therese Markow and Dr. Dawn Sarno, a leading expert on cyber scams, discuss the prevalence and detection of phishing scams. Dawn explains that phishing often targets older adults due to their perceived lack of tech savvy and higher financial stakes, but notes that younger adults are also vulnerable, often due to impulsivity and poor online habits. She highlights the rise of AI-generated deep fakes, which make scams more convincing and harder to detect. Dawn advises slowing down and

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48:01

Dr. Daniel Buchman: Do You Suffer From Chronic Pain?

Critically Speaking ·

2026/03/31

In this episode, Therese Markow and Dr. Daniel Buchman discuss chronic pain, affecting over 20% of the population in the US, Canada, and Europe. Chronic pain (persisting pain lasting over three months) includes conditions like arthritis, lower back pain, fibromyalgia, and phantom limb pain, among many others. Daniel highlights the challenges in pain assessment, the role of AI in pain management, and the ethical considerations, including bias in pain reporting. He notes that chronic pain increases

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26:19

Dr. David Hill: Peanut and Food Allergies in Children

Critically Speaking ·

2026/03/24

In this episode, Therese Markow and Dr. David Hill discuss the rise of peanut allergies in children. David explains that anaphylaxis, a severe allergic reaction, is common in children, often triggered by food. He emphasizes the importance of early allergen introduction to prevent allergies. The LEAP study from 2015 showed that introducing peanuts before six months reduces the risk of peanut allergy. They also discuss other common allergies and the fact that many children outgrow milk and egg

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35:49

Dr. Fred Miller: The Autoimmune Disease Epidemic

Critically Speaking ·

2026/03/17

In this episode, Therese Markow and Dr. Fred Miller discuss the autoimmune disease epidemic, highlighting the economic burden and the rise of diseases like juvenile diabetes, lupus, and multiple sclerosis. Dr. Miller explains that autoimmune diseases occur when the immune system attacks the body, affecting various organs. He notes that there are at least 150 types of autoimmune diseases, with prevalence rates varying from 0.1% to 5% of the population - the exact number is unknown due to the need for

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34:35

Dr. John Kisiel: Early Cancer Detection Liquid Biopsy

Critically Speaking ·

2026/03/10

In this episode, Therese Markow and Dr. John Kisiel discuss early cancer detection using liquid biopsies. Dr. Kisiel explains that liquid biopsies detect cancer signals in blood and urine, including tumor cells, fragments, proteins, and DNA. He highlights the FDA's approval of a blood test for colon cancer and the development of multi-cancer early detection tests. Dr. Kisiel notes that false positive and false negative rates vary by test. He emphasizes the potential of liquid biopsies to complement,

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24:26

Dr. Stacy Andersen: Living to be a Hundred

Critically Speaking ·

2026/03/03

Some people live more than a hundred years with no health problems and very little cognitive decline. How come? While healthy lifestyles certainly play a part in healthy aging, these "centenarians" share a number of special biological attributes. Furthermore, these attributes, along with attaining an age of 100 or greater, show a strong genetic component. Dr. Stacy Andersen of the Boston University School of Medicine has been studying these centenarians and the factors that are associated with

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37:10

Dr. Kari Nadeau: Microplastics in Our Bodies

Critically Speaking ·

2026/02/24

In this episode, Therese Markow and Dr. Kari Nadeau discuss the presence and health effects of microplastics in our bodies. Microplastics can enter our bodies through various environmental routes, including food, water, and air. They are in everyone's bodies to some degree. Microplastics have been linked to health issues like stroke, cancer, and heart attacks. Simple actions like avoiding single-use plastics and processed foods can reduce microplastic levels in the blood by up to 80% in three

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43:36

Dr. Lise Eliot: Brain Development, Sex, Gender

Critically Speaking ·

2026/02/17

In this episode, Therese Markow and Dr. Lise Eliot discuss neurosexism and brain differences between males and females. Dr. Eliot explains that historical brain comparisons often aimed to prove women's inferiority, citing examples like weighing cadaver brains. Modern MRI studies show minor structural differences, but still present significant methodological challenges. She highlights that brain plasticity and social experiences shape gender differences, noting that women tend to have more active

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35:50

Dr. Catherine Lebel & Dr. Sam Nivins: Disruptors of...

Critically Speaking ·

2026/02/10

In this episode, Therese Markow, Dr. Catherine Lebel, and Dr. Sam Nivins discuss the impact of prenatal factors on fetal brain development. Catherine explains how MRI can detect subtle brain changes due to prenatal alcohol exposure, even at low levels, and emphasizes the importance of avoiding alcohol during pregnancy. Sam discusses the effects of maternal obesity before pregnancy on brain development, noting sex-specific differences and the importance of early intervention. Both also touch on the

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54:24

Dorothy Roberts: The Mixed Marriage Project - Race

Critically Speaking ·

2026/02/03

In this episode, Therese Markow and Dorothy Roberts discuss her book "The Mixed Marriage Project," which explores her father's unpublished research on mixed marriages in Chicago. Dorothy's father, a white anthropology professor, interviewed over 500 black-white couples from the 1930s to the 1960s. The book blends personal stories, historical insights, and interviews, revealing the challenges and discrimination faced by interracial couples. They also discuss Dorothy's mother's remarkable journey from

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35:31

Dr. Tami Rowen: Q and A - Women's Health

Critically Speaking ·

2026/01/27

In this episode, Therese Markow and Dr. Tami Rowen discuss the listener questions that arose from her last episode on Critically Speaking. From drinking soy milk as a substitute for estrogen, the complex relationship between the number of children you have and breast cancer risk, dense breast tissue, early menstruation, hormone replacement therapy, and more. Listen in for the answers to your questions! Key Takeaways: Soy is not in any way a substitute for estrogen. How it affects your

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21:30

Dr. Haley Hersant: Brain Health Supplements - Do They...

Critically Speaking ·

2026/01/20

In this episode, Therese Markow and Dr. Haley Hersant discuss a study by Dr. Hersant and her colleagues that reviewed over 100 brain and memory supplements. They found 18 common ingredients grouped into three categories: those with scientific evidence of benefit, those with no compelling evidence, and those with mixed results. They discuss the results of this study and emphasize the need for more rigorous testing. While not giving medical advice, they caution against potential interactions with

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30:13

Adam Morgan: A Danger to the Minds of Young Girls

Critically Speaking ·

2026/01/13

In this episode, Therese Markow and Adam Morgan discuss Adam's new book, A Danger to the Minds of Young Girls, which explores the life and legacy of Margaret C. Anderson. Margaret was a pioneering figure in modern literature, the founder of "The Little Review" in Chicago, and one of the key figures in fostering the Chicago literary renaissance. They talk about the challenges she faced, despite her initial successes, why her physical appearance often overshadowed her contributions, and the impact on

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32:08

Elizabeth Burch: Pain Brokers: Exploiting Women by...

Critically Speaking ·

2026/01/06

In this episode, Therese Markow and Elizabeth Burch discuss Elizabeth's new book, "The Pain Brokers: How Con Men, Call Centers, and Rogue Doctors Fuel America's Lawsuit Factory," which exposes a scheme where con artists, attorneys, and rogue doctors exploited women through mass torts involving pelvic mesh implants. Elizabeth explains how mass torts differ from class actions and explains how attorneys earn contingency fees. Throughout the episode, they discuss the ways in which the scheme was

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