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Renaissance Doctor

The Evolutionary Mismatch Behind ADHD, Anxiety and Poor Sleep

Season 1 Episode 2 20 min 4 sec August 27, 2026 No Comments See Transcript Comment Also listen on Spotify Youtube Apple Podcasts Amazon Music RSS FEED About this Podcast: What if ADHD, anxiety and insomnia aren’t three separate problems — but three expressions of the same overloaded system? In this episode of The Renaissance Doctor, clinical psychiatrist Elisabetta Burchi takes a dimensional and evolutionary lens to mental health, arguing that inattention, anxiety and disrupted sleep often share one underlying signature: an over-activated under-recovered stress system running in an environment it was not selected for.  THIS EPISODE IS FOR YOU IF:  you juggle scattered attention, a restless mind, and nights you can’t switch off — and suspect they’re connected;  you’ve been told (or told yourself) it’s a lack of discipline, willpower or time management but that didn’t really help;  you carry a diagnosis like ADHD, anxiety or insomnia — or recognise yourself on the spectrum without a label;  you’ve tried apps, productivity hacks, or treating each symptom separately, with limited results; you are intrigued by an evolutionary systemic view to read biology and understand the why beneath your symptoms to better manage them   KEY TAKEAWAYS: why ADHD, anxiety and insomnia may be different expressions of one overloaded stress system; the difference between homeostasis and allostasis, and what ‘allostatic overload’ means; what heart rate variability (HRV) reveals about your resilience and flexibility;the ‘evolutionary mismatch’ between your nervous system and the modern environment; the vicious loop of arousal, avoidance and anxiety — and where to intervene; why restoring physiological flexibility and recovery capacity may matter more than symptom-targeted treatments. Your Host Elisabetta Burchi. MD · MBA · Clinical Psychiatrist · Neuromodulation Researcher · Science Communicator Episode Transcript: Isn’t it  a paradox that while our society has become safer, wealthier, more comfortable, we are seemingly less adapted to it?  I mean, why do some of the innate capacities essential to human flourishing, such as attention, emotional balance, restorative sleep, appear increasingly fragile in modern society? Ciao. I’m Elisabetta Burchi, physician, clinical psychiatrist, and the host of the Renaissance Doctor. This podcast exists to explore an ambitious question: what does it mean to fully flourish as human beings in the 21st century?Today, I’m going to talk about mental health and environment, about how certain mental health issues do not derive by any intrinsic malfunctioning, but are, the expected expressions of regulatory systems finding to operate in an environment which they didn’t evolve for. The idea came from a recent talk I gave at a longevity conference. calm the adhd, I was, in fact, asked to prepare a talk around the following title:  “calm the chaos: adhd, anxiety and insomnia”. Honestly, my first reaction to the title was irritation., I always feel the duty to be comprehensive, in front of tasks, and it was clear that I could not in a few minutes cover such a landscape that, by the way, put together apples with oranges. Because ADHD is a syndrome, anxiety is an emotion, and insomnia is a symptom.  But a second excited thought replaced that first annoyed one quickly.  That title, which might have probably been proposed by somebody that didn’t know much about the topic, could have become an opportunity to address what I consider to be one of the main shortcomings of traditional clinical what I consider to be one of the main shortcomings of traditional clinical psychiatry and showcase instead a more recent, innovative way to look at at mental health. If you have listened to my first episode, you might have perceived that I’m very inclined to talk about methods, definitions and frameworks. ILet’s then start from two key assumptions that I’m going to build my narrative on. First, I will assume a dimensional framework to look at mental health, which means that I would not use the traditional medical categorical lens, which means that I would not use the traditional medical categorical lens, which identifies conditions based only on the presence or absence of specific symptoms, but I will consider adhd, anxiety and insomnia as multidimensional entities placed on a spectrum. Second, I will also assume an evolutionary angle, because when we look Second, I will also assume an evolutionary angle, because, when we look at living systems, it is always very informative to inquire about the adaptive capacity of certain functions in relation to the environment. Only two assumptions. As the parsimony principle commands, the explanation with fewer assumptions is generally the best one available. I hope I will prove my thesis.  Since I am not Agatha Christie, let me anticipate who the murderer is. I want to show that adhd, anxiety and insomnia might not be entirely separate conditions, but different expected manifestations of the same regulatory system under certain environmental conditions for which that system didn’t evolve for in the first place. My core thesis is that dysregulation of that system, -, which is the stress system –  can explain comorbidity across different conditions and across levels of analysis. Let’s start with epidemiology –  So the occurrence of diseases in the population. Over the last decade, diagnosis of subclinical or full blown adhd, anxiety disorders and sleep disorders have all been increasing. Current understanding often considers inattention, anxiety and insomnia and the relative syndromes as separate problems and consequently address them with different treatments. However, the rising impact and even co-occurrence of this triad suggest to me that there might be a common denominator behind this phenomenon. And since human beings are open systems and human physiology changes in geological areas, it is possible that what is changing might not be biology, but the interaction with the external environment. Modern environment indeed exposes us and our nervous system to conditions unprecedented in human history.  Constant informational input, t digital attention capture, continuous social comparison and evaluation, blurred boundaries between work and rest. These conditions are very different from the ones we encountered in our ancestral environment, rather characterised by physical threats, natural day

The Paradox of Progress: More Medical Data, Less Health Wisdom

Season 1 Episode 1 20 min 13 sec August 12, 2026 No Comments See Transcript Comment Also listen on Spotify Youtube Apple Podcasts Amazon Music RSS FEED About this Podcast: We know more about the brain than at any time in human history — so why are we more confused than ever about what it means to be healthy, and to be human?  In this first episode of The Renaissance Doctor, psychiatrist Dr. Elisabetta Burchi lays out the manifesto of the podcast: the case for a new renaissance in science and medicine — one that reconciles mechanism with meaning and restores the whole human being to the centre of health. IN THIS EPISODE, WE: Unpack the paradox of progress: why unprecedented medical power hasn’t translated into wellbeing Explore the widening gap between lifespan and healthspan — living longer, but in poorer health Trace how reductionism became both modern medicine’s greatest strength and its deepest limit Draw the parallel with economics: from GDP to human flourishing (Amartya Sen & Martha Nussbaum) Redefine health as flexibility: the capacity to adapt, integrate, and generate meaning in a changing environment Introduce human-centred neuroscience as the tool for a new synthesis across disciplines THIS EPISODE IS FOR YOU IF YOU: Are interested in health, but sometimes disappointed by traditional medicine Are curious about well-being, but skeptical of wellness culture Feel overwhelmed by health information and want frameworks, not more data Want to move from passive consumer of health advice to systemic thinker Believe health is about more than the absence of disease — it’s about a flourishing life KEY TAKEAWAYS: Health is not the absence of disease — it is the capacity of a person to adapt, integrate and generate meaning and value in a changing environment The paradox of “the more, the less”: the more we know about the parts, the less we understand the whole In high-income countries, over 25% of the additional years of life gained are spent in poor health Reductionism enabled precision medicine — and produced fragmentation of care (the average Medicare patient sees 2 primary care physicians and 5 specialists a year) Just as economics moved from GDP to capabilities and flourishing, medicine must expand what counts as medically relevant Disease can be read as rigidity; health as flexibility across biological, psychological, relational and existential systems Your Host Elisabetta Burchi. MD · MBA · Clinical Psychiatrist · Neuromodulation Researcher · Science Communicator Episode Transcript: We know more about the brain than at any time in human history, and yet we seem increasingly confused about what it means to be human. The first scientific revolution introduced a new concept of knowledge based on the experimental method. “Science will deal with how things happen, not with why they happen”. Science will be concerned with how phenomena occurred, not with their final causes”. By transforming nature into a mechanistic system which can be described mathematically without assuming any theological scope or purpose, and by changing the human being’s position in the universe from being the scope to being the observer, this revolution unlocked enormous potentialities and hugely increased our capability to manipulate nature itself. That was also the basis of the enormous successes seen in medicine and healthcare today. However, it seems to me that the increase in technological capabilities, which arise from scientific success, is not directly translating into people’s benefits. On one hand, more tools and capabilities, on the other one more alienation and  less sense of agency. The speed of development and intrinsic power of new technologies escalate this divergence. In this podcast I will try to propose a new framework to catch up with this cultural lag and reconnect explanations with meaning across different sciences and dimensions of life. The scope will be to regain some agency and the baricentre of our discourse will be health, because I’m a doctor, but also to keep us grounded to one of those key dimensions of life that can be acted upon singularly and societally and that is crucial to enable, for each of us, a flourishing life. I hope everyone interested in health, but sometimes disappointed by traditional medicine and also skeptical by wellness culture will be interested. My guiding assumption would be that health is not just absence of disease, but a state of full well-being which cannot be disconnected from meaning and which emerges from interacting biological, psychological, relational and societal systems. My strategic intent will be to move from being passive consumers of health information to become systemic thinkers. Yes, I think it’s the time for a new revolution, better, for a new renaissance. One that can reconcile mechanism with meaning and restore the human whole to the centre of science and technology. Why  does it matter now? I think it matters because we all need to reacquire a sense of understanding, agency and prospect in this fast changing reality where we are all overwhelmed by information and technology, but in need of frameworks to make sense of what is relevant, I will try to propose ways of thinking rather than just information with a goal to better understand and pursue health. We will address health-related topics in a non-reductionistic fashion, leveraging a multidisciplinary and inter systemic approach. The issue is not that medicine has failed. On the contrary, modern medicine has extended life expectancy, transformed acute care and delivered some of the greatest achievements in human history. But current data also show a world increasingly shaped by chronic illness and mental disorders with a measurable gap between lifespan and healthy lifespan. My name is Elisabetta Burchi. Resonating with the echoes of my Florentine homeland, I’ve always been fascinated by the complexity of things and convinced that understanding could only be captured through multidisciplinary lenses. While I tried to nurture an all around education, I’ve never been satisfied by the perspective of understanding as an intellectual solipsistic exercise. I’ve always known that my fulfilment could not but be in a dimension of connection with or love