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PODCAST

Your Brain On

Drs. Ayesha and Dean Sherzai

A podcast about the neuroscience of everything. From neurologists, researchers, and public health advocates Drs. Ayesha and Dean Sherzai, explore every aspect of our world through a neuroscientific lens, with science-based stories, interviews, anecdotes, and brain health facts. Equip yourself with neurologically sound answers to life"s everyday health questions and learn the essentials of brain health and optimization, one topic at a time.

science

All Episodes

42:13

Your Brain On... Chemotherapy

Your Brain On ·

2025/12/04

Chemotherapy saves lives. But for millions, it also comes with side effects of cognitive fog, memory lapses, slowed thinking, and emotional flattening. In the past, 'chemo brain' has sometimes been dismissed as anecdotal. But, as science has evolved, we've come to understand the very real shifts in attention, memory, processing speed, and emotional regulation underpinning the impairment. In this episode, we break down what's happening in the brain during treatment, why these changes arise, and how

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01:16:41

Your Brain On... Parkinson's (2025)

Your Brain On ·

2025/11/26

From 18th century London to the promise of a global cure: the 200-year history of Parkinson's disease. To mark the release of our 'Ask the MD' conversation with The Michael J. Fox Foundation for Parkinson's Research, and to welcome a new influx of listeners, we're sharing one of our very first episodes, first aired in August 2024. Watch our full 'Ask the MD' interview, focused on lifestyle strategies for boosting brain health, on the foundation's website:

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01:58:42

Your Brain On... Eating Meat

Your Brain On ·

2025/11/05

Carnivorous diets have been woven into our history for millennia, but, with nutrition science advancing at an unprecedented pace over the past century... do we really still need to be eating meat? We live in a time of rising chronic disease, new longevity research, and a growing awareness of how our food choices shape our brain and our planet. We're also constantly exposed to 'nutrition tribalism': social media communicators and influencers building identities (and livelihoods) around polarizing

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41:30

Your Brain On... Nutrition (with Dr. Walter Willett)

Your Brain On ·

2025/10/29

Everyone eats. It's the one thing we all have in common. And yet, nutrition has become one of the most confusing, divisive, and misunderstood sciences in modern life. Low-fat. High-fat. Keto. Vegan. Paleo. Superfoods. For every study, there's a headline that seems to say the opposite. In this episode, we turn to one of the most trusted voices in nutrition research to cut through the noise: Dr. Walter Willett, MD, DrPH. Dr. Willett, Professor of Epidemiology and Nutrition at Harvard T.H. Chan School

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01:52:58

Your Brain On... Autism

Your Brain On ·

2025/10/22

Autism isn’t new, but our understanding of it has changed dramatically. It’s now recognized as a broad neurodevelopmental spectrum that shapes how millions of people perceive, process, and interact with the world. In this episode, we explore what autism is AND isn’t, from its earliest signs in infancy to its deep genetic roots, and why misinformation about it continues to spread. We speak with three remarkable experts leading the field in early detection, genetics, and public education: DR. AMI

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01:53:31

Your Brain On... Diabetes

Your Brain On ·

2025/07/23

Behind the staggering statistics on global diabetes prevalence are millions of individuals with different stories, struggles, and solutions. In this episode, we explore how diabetes affects your brain, body, and cognition, and how it can be prevented, managed, and (in many cases) reversed. We share some powerful personal stories from the clinic, bust some persistent food myths, and learn why diabetes is as much a neurological emergency as a metabolic one. Plus, we speak to three leading experts who

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50:04

Your Brain On... Alzheimer’s (Mythbusting Special)

Your Brain On ·

2025/07/09

Alzheimer’s disease is constantly surrounded by myths and misinformation. Let’s set the record straight. In this episode, we bust through the most persistent Alzheimer’s myths, with facts based on decades of clinical experience and cutting-edge research. Myths include: • “Alzheimer’s is inevitable in old age” • “It’s all genetic, and there’s nothing you can do” • “There’s no cure, so diagnosis is useless” • “Supplements and vitamins can prevent or cure Alzheimer’s” • “Statins and vaccines cause

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34:08

Your Brain On... Purpose (Sherzai Family Special)

Your Brain On ·

2025/06/25

With big changes happening in the Sherzai family household, we sat down for a roundtable discussion about the concept that will shape what we’re all doing next: our purpose. In this ‘unplugged’ mid-season chat, we’re joined by our kids — Sophia and Alex! — for a wide-ranging conversation about our values and goals. How they form, how they falter, and how they evolve, in an increasingly noisy world. Together, we discuss: • The neurological and evolutionary importance of purpose • How a firm sense of

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49:47

Your Brain On... Creatine

Your Brain On ·

2025/06/18

Creatine for Alzheimer’s — let’s separate the hype from the hope. A new study has caused a stir in June 2025, but lead researcher Matthew K. Taylor told us: “ I don’t think I can recommend it to a patient that this is going to ultimately have some sort of cognitive influence.” We speak to Dr. Taylor and Dr. Russell Swerdlow in this episode, discussing: • Role of creatine in your brain, and why it matters for energy metabolism • What the 2025 study found (and why it wasn’t designed to prove

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57:11

Your Brain On... Stress

Your Brain On ·

2025/06/12

Stress isn’t just a threat to your brain. It’s also one of its best tools for growth. We often hear that stress is bad for your brain. And it can be. Chronic, unpredictable, and uncontrollable stress can damage cognition, harm memory, and accelerate aging. But we don’t talk enough about how the right kind of stress can actually improve brain function, grow your hippocampus, and help you feel happier and more purposeful. In this episode of Your Brain On..., we explore the science of stress with two

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01:05:27

Your Brain On... Stroke

Your Brain On ·

2025/05/29

Stroke is one of the biggest causes of death in the world — but also one of the most preventable. Up to 80–90% of strokes could be avoided with more awareness, resources, and a firmer focus on prevention over intervention. In this episode, we’re joined by renowned stroke neurologist and public health pioneer Dr. Olajide Williams, MD, MS, whose ‘Hip-Hop Stroke’ movement is a shining example of enacting culturally-sensitive community-wide healthcare change. In this episode, we discuss: • What actually

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27:44

Your Brain On... The Food Industry

Your Brain On ·

2025/05/22

How can we eat better when we’re constantly marketed to in a way that hijacks our attention and habits? To complement the incredible discussions we regularly have about brain-healthy nutrition, in this episode, we’ve having a very important conversation about how the food industry works against our best intentions, and how we can break through the psychological barriers they use to hold us back. We’re joined by Marion Nestle, Professor of Nutrition, Food Studies, and Public Health, Emerita, at New

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50:20

Your Brain On... Lyme Disease

Your Brain On ·

2025/05/15

A tiny bite from a tiny tick can trigger a complex disease which speaks to some huge problems with our healthcare system. In this episode, we explain the biology, controversy, and cultural blind spots around Lyme disease, a condition that reflects much more than just a bacterial infection. It’s also a mirror for our most urgent public health issues: inequality, misinformation, climate change, and the growing mistrust of science. We speak with two world-class experts: • Dr. John Aucott: Director of

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51:37

Your Brain On... Brain-Computer Interfaces

Your Brain On ·

2025/05/07

Restoring a person’s ability to speak, enabling individuals with paralysis to regain movement, and detecting neurodegenerative diseases earlier than ever — these are just some of the breakthroughs brain-computer interfaces are making possible. In this episode, we explore the astonishing world of BCIs: technologies that are giving autonomy and independence back to people with diseases like ALS. We discuss: • How BCIs are helping people with neurodegenerative diseases and spinal cord injuries

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01:00:43

Your Brain On... Gluten

Your Brain On ·

2025/05/01

Gluten has become one of the most misunderstood aspects of modern nutrition. Let’s set the record straight. In this episode, we untangle the medical, neurological, and cultural narratives surrounding gluten, from celiac disease and non-celiac gluten sensitivity to real (and rare) cases of gluten-induced brain dysfunction. We discuss: • The differences between celiac disease, gluten sensitivity, and wheat allergy • How gluten affects the gut, and what ‘leaky gut’ really means • Whether gluten can

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01:01:07

Your Brain On... Menopause

Your Brain On ·

2025/04/24

Two-thirds of those diagnosed with Alzheimer’s disease are women — but why? In this episode, we unpack the neurological, hormonal, and social drivers that uniquely affect women's brain health during the menopausal transition — from estrogen’s protective role in the brain to the misunderstood history of hormone replacement therapy. We discuss: • Why women face a higher risk of Alzheimer’s than men • How menopause accelerates brain aging (and how it starts earlier than is often expected) • The role of

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01:02:01

Your Brain On... Music

Your Brain On ·

2025/02/19

Music is one of the most powerful forces of all time for human connection, cognitive stimulation, and therapeutic introspection. We’ve seen music help Alzheimer’s patients find their voice, children with speech disorders unlock new ways to communicate with rhythm and melody, and communities express their identity through song. In this episode, we discuss: • The cognitive, psychological, and mental benefits of music • Why learning to play an instrument is one of the best things you can do for your

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48:09

Your Brain On... Supplements

Your Brain On ·

2025/02/12

Supplements have become a hundred-billion dollar industry. But can they really boost your brain health in the ways they claim? They’re everywhere: shelves and shelves of pills and powders promising everything from improved immunity, boosted energy, and faster weight loss to better sleep, happier moods, and enhanced sexual wellness. Social media influencers won’t stop talking about them, and they seem to appear in TV commercials every five minutes. And yet... the evidence supporting most of the

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43:10

Your Brain On... Traumatic Brain Injury

Your Brain On ·

2025/02/06

Traumatic Brain Injury is a major cause of death, disability, and cognitive decline. Thankfully, evolving research is helping us protect our heads and lessen the long-term impacts of TBIs. In this episode of ‘Your Brain On...’ we discuss: • The effects and symptoms of TBI, from mild concussions to more severe head injuries • What actually happens to your brain when you sustain a TBI • The links between TBI and neurodegenerative diseases and cognitive impairment • The prevalence of TBI in military

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59:03

Your Brain On... Omega-3

Your Brain On ·

2025/01/22

Omega-3 supplements have become a multi-billion-dollar industry, promising to enhance your memory, boost your mood, and protect your brain. But where does the science end, and the marketing hype begin? Omega-3 fatty acids are a special category of ‘good fats’ that play vital roles in both brain and body health. Unlike some species, we can’t produce our own Omega-3s, so we must rely on our diets to get these essential fats. In this episode, we discuss how to get more brain-healthy quantities of

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59 results

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