Brainwaves

By Nina Valdez

Your doctor tells you one thing, Google says another, and that health influencer you follow swears by something completely different. The result? You're more confused about your own health than when y... more

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FAQs about Brainwaves:

How many episodes does Brainwaves have?

The podcast currently has 11 episodes available.

Brainwaves episodes:

July 10, 2026 The Energy Hack Biohackers Don't Want You to Know
Your muscles are exhausted, your brain feels foggy, and that third cup of coffee isn't helping. What if the real problem isn't your schedule or your sleep, but tiny powerhouses inside your cells that you've never heard of? In this episode, Nina Valdez reveals how mitochondria control everything from your daily energy to how fast you age.
🎯 What You'll Learn:
• Why your muscle and brain cells pack up to 2,000 mitochondria each (and what happens when they start failing)
• The 6-week workout protocol that can boost your cellular energy factories by 50%
• How chronic stress secretly sabotages 30% of your mitochondrial function, making you feel older than you are
• The mother-only DNA inheritance that determines your energy baseline for life
👤 Perfect for: anyone who's tired of being tired and wants to understand what's actually happening inside their cells.
📍 Chapters:
[00:00] Nina introduces the cellular energy crisis most people ignore
[01:45] What mitochondria actually do (beyond the "powerhouse" textbook definition)
[04:20] Why some people naturally have more energy than others
[06:50] The HIIT protocol that rebuilds your cellular batteries
[08:30] Stress hormones vs. mitochondria: the energy battle happening right now
[10:15] Simple changes that support mitochondrial health starting today
Your doctor probably never mentioned mitochondria during your last checkup, but these cellular structures determine whether you bounce out of bed or drag yourself through the day. Dr. Martin Picard's research shows exactly how to optimize them.
🔔 Never miss an episode:
Follow Brainwaves on Spotify or Apple Podcasts and turn on notifications. New episodes drop daily, your next favorite insight is one tap away.
🔍 Topics: mitochondria, cellular energy, HIIT training, stress and aging, biohacking
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16min
July 10, 2026 Dr. Christof Koch: The Brain Scientist Who Changed His Mind About Consciousness
What if a brain scientist who spent 30 years studying consciousness completely changed his mind about how it actually works? Nina Valdez sits down with Dr. Christof Koch, the neuroscientist who went from hardcore materialist to someone who thinks your toaster might be conscious.
Dr. Koch mapped brains at Caltech for three decades before joining the Allen Institute, where he's building the most detailed brain atlas ever created. But here's what shocked him: the more he learned about neurons and synapses, the less he understood consciousness itself. Now he's exploring meditation, psychedelics, and theories that would make his younger self cringe.
🎯 What You'll Learn:
• Why your brain delays your conscious experience by 500 milliseconds (and what that means for free will)
• How meditation physically rewires your brain in just 8 weeks of practice
• The real reason psychedelics like psilocybin reduce default mode network activity by 60%
• Dr. Koch's surprising theory about which everyday objects might actually be conscious
👤 Perfect for: anyone curious about the biggest mystery in science and practical ways to expand your own awareness.
📍 Chapters:
[00:00] Nina introduces the consciousness mystery that stumps neuroscientists
[01:45] Dr. Koch's journey from brain mapper to consciousness researcher
[03:30] Why your conscious experience is always running late
[05:15] The meditation study that changed everything we know about brain plasticity
[07:00] Psychedelics research: what actually happens in your brain
[09:30] The shocking theory about conscious toasters and thermostats
[11:15] Practical techniques you can try today
🔔 Never miss an episode:
Follow Brainwaves on Spotify or Apple Podcasts and turn on notifications. New episodes drop daily, your next favorite insight is one tap away.
🔍 Topics: consciousness research, meditation benefits, psychedelics science, brain plasticity, neuroscience
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15min
July 10, 2026 The Brain Circuit That Triggers Every Eating Disorder (And How to Fix It)
Anorexia kills more people than any other psychiatric disorder, yet most of what you think you know about eating disorders is completely wrong. In this episode, Nina Valdez breaks down the actual brain circuitry behind anorexia, bulimia, and binge eating: why your insula matters more than willpower, and the specific tools that actually help recovery.
🎯 What You'll Learn:
• Why anorexia has a 10% mortality rate and how brain scans reveal the real cause
• The insula connection: how body awareness circuits malfunction in eating disorders
• What 3,000-5,000 calories in 2 hours does to your brain during binge episodes
• Science-backed recovery tools that target the actual neurological patterns
👤 Perfect for: anyone who wants to understand the real neuroscience behind eating behaviors, whether you're supporting someone in recovery or just curious about how your brain controls hunger and satiety.
📍 Chapters:
[00:00] Nina introduces the shocking mortality statistics
[01:45] The insula brain circuit: your internal body map
[04:20] Why cognitive control goes haywire in anorexia
[06:50] Binge eating: what happens in your brain during an episode
[09:30] The recovery tools that actually work
[11:15] Warning signs everyone should recognize
This isn't another "just eat balanced meals" conversation. Nina cuts through the wellness noise with actual research about how eating disorders hijack specific brain circuits, plus the evidence-based interventions that can restore normal function. You'll understand why traditional approaches often fail and what neuroplasticity research tells us about real recovery.
🔔 Never miss an episode:
Follow Brainwaves on Spotify or Apple Podcasts and turn on notifications. New episodes drop daily, your next favorite insight is one tap away.
🔍 Topics: eating disorders, anorexia, bulimia, binge eating, brain circuits, insula, neuroscience, recovery tools
Subscribe and never miss an episode at Brainwaves

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17min
July 10, 2026 Why Matthew Walker Changed His Mind About Sleep Supplements
Getting sunlight in your eyes within the first hour of waking increases cortisol by 50% and sets your circadian rhythm. Your afternoon coffee at 2 PM? Still has 25% of its stimulating power at 10 PM thanks to caffeine's 6-8 hour half-life. In this episode, Nina Valdez breaks down the sleep research that most people get completely wrong, plus the science-backed protocols that actually move the needle on sleep quality.
🎯 What You'll Learn:
• Why your core body temperature needs to drop 1-3 degrees for deep sleep (and how to make it happen)
• The exact light exposure timing that resets your internal clock naturally
• Which sleep supplements have real research behind them and which are marketing hype
• How blue light after 8 PM kills 85% of your melatonin production
👤 Perfect for: anyone tired of tossing and turning who wants evidence-based solutions that actually work.
📍 Chapters:
[00:00] Nina Valdez introduces the sleep myths keeping you awake
[02:15] Morning light exposure: the 50% cortisol boost that sets your day
[04:30] Temperature control: why cooling down helps you fall asleep faster
[06:45] Caffeine timing: when that afternoon coffee becomes a sleep killer
[08:30] Blue light and melatonin: the 85% suppression rate you need to know
[10:15] Sleep supplements that work vs. the ones that don't
[11:45] Your 3-step sleep optimization protocol
🔔 Never miss an episode:
Follow Brainwaves on your podcast app and turn on notifications. New episodes drop daily, your next favorite insight is one tap away.
🔍 Topics: sleep science, circadian rhythm, melatonin production, caffeine half-life, sleep supplements
Subscribe and never miss an episode at Brainwaves

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14min
July 10, 2026 Why Your Brain-Body Connection Is Sabotaging Your Workouts
Your brain isn't talking to your body the way it should. And it's costing you every time you work out, try to sleep, or deal with stress.
Most people think the brain-body connection is some wellness buzzword. But there's actual science showing how this communication breakdown messes with everything from your heart rate to your pain tolerance. Nina breaks down why your nervous system might be working against you and what you can do about it.
What you'll discover:
• Why people with stronger body awareness score 20-30% better on stress tests
• How 4 weeks of breathing practice can boost your heart rate variability by 25%
• The body scanning technique that cuts athlete recovery time by 15%
• Why 2-3 minutes of cold exposure triggers a 300% spike in norepinephrine
This isn't about meditation retreats or expensive gadgets. These are simple practices that actually change how your brain processes signals from your body. You'll learn why your workouts feel harder than they should and how to fix the disconnect that's sabotaging your results.
Chapters:
00:00 The brain-body communication crisis
02:15 What interoceptive awareness actually means
04:30 Breathing techniques that work (and why)
06:45 Body scanning for faster recovery
08:20 Cold exposure and nervous system training
10:15 Daily practices that stick
Nina's treated enough patients to know the difference between what sounds good and what actually works. This episode gives you the real science behind strengthening your brain-body connection, no fluff included.
If you're tired of fighting your own nervous system, hit follow. Brainwaves drops new episodes every day with the medical research that actually matters for your health decisions.
Subscribe and never miss an episode at Brainwaves

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23min
July 10, 2026 Your Brain on Grief: Why Loss Rewires You (And How to Heal)
Your body knows the difference between grief and sadness. When someone you love dies, your brain literally rewires itself, firing the same neural pathways as physical injury. That crushing feeling in your chest? It's not just a metaphor.
Dr. Mary-Frances O'Connor has spent two decades studying what grief actually does to your brain. Her research reveals why you can't think straight after loss, why your body feels broken, and most importantly, how to work with your brain instead of against it during the hardest moments of your life.
What you'll discover:
• Why grief triggers physical pain in the same brain regions as a broken bone
• How your reward system keeps searching for the person who's gone, creating neurological loops
• Why 80% of grieving people can't sleep (and it's not what you think)
• The specific brain changes that make simple decisions feel impossible
Nina breaks down the neuroscience behind loss and shares practical strategies that actually align with how your grieving brain works. No platitudes, no timeline pressure. Just science-backed approaches that honor what your mind and body are going through.
Chapters:
00:00 The neuroscience of heartbreak
02:15 Why your brain keeps looking for them
04:30 Sleep, memory, and the grieving mind
06:45 When your prefrontal cortex goes offline
08:20 Working with your brain's grief response
10:00 Building resilience through understanding
This episode won't fix your grief, but it might help you understand why healing takes the time it takes. Your brain is doing exactly what it's supposed to do.
New episodes of Brainwaves drop every day with medical research you can actually use. Hit follow if you want Nina's take on the science behind how your body really works.
Subscribe and never miss an episode at Brainwaves

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15min
July 10, 2026 Lex Fridman: Why AI Will Never Replace Human Love (But It Might Enhance It)
MIT's AI researcher Lex Fridman has had over 400 three-hour conversations with the world's smartest people. What he discovered about machines, creativity, and love might surprise you. In this episode, Nina Valdez breaks down Fridman's insights on why artificial intelligence will transform how we create and connect, but can never replace the fundamentally human experience of love.
🎯 What You'll Learn:
• Why MIT processes 1 billion data points daily studying human behavior behind the wheel
• The creative paradox: AI can write symphonies and paint masterpieces, but lacks what researchers call "intentional consciousness"
• How Fridman uses Brazilian Jiu-Jitsu and guitar playing to maintain his human edge in an AI-dominated field
👤 Perfect for: anyone curious about where technology ends and humanity begins
📍 Chapters:
[00:00] Nina introduces Lex Fridman's unique perspective on AI and love
[01:45] The staggering scale of MIT's autonomous vehicle research
[03:30] What 400 long-form interviews taught Fridman about human nature
[05:15] The creativity gap: why AI art feels different from human expression
[07:00] Physical practices that keep researchers grounded
[09:30] The love question: what machines will never understand
[11:00] Key insights you can apply to your own relationship with technology
This isn't just another AI discussion. Fridman's approach combines hard science with deeply personal questions about what makes us human. You'll walk away understanding not just where technology is headed, but why your humanity matters more than ever.
🔔 Never miss an episode:
Follow Brainwaves and turn on notifications. New episodes drop daily, and tomorrow Nina's covering the latest research on why your brain craves novelty more than you realize.
🔍 Topics: artificial intelligence, creativity research, human consciousness, MIT studies, technology philosophy
Subscribe and never miss an episode at Brainwaves

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15min
July 09, 2026 Your Daily Habits Are Rewriting Your DNA (And You Don't Even Know It)
Your morning coffee habit just changed your DNA. So did yesterday's workout, that stressful meeting, and even the way you breathed during meditation. In this episode, Nina Valdez breaks down the wild science of epigenetics with Dr. Melissa Ilardo, whose research on sea nomads reveals how our daily choices literally rewrite our genetic code.
🎯 What You'll Learn:
• How the Bajau sea nomads evolved 50% larger spleens in just 1,000 years through diving lifestyle
• Why 30 minutes of exercise activates over 1,000 metabolism genes (and which types work best)
• The specific stress patterns that turn off your immune genes and how to reverse them
• Simple daily habits that optimize gene expression for better energy and longevity
👤 Perfect for: anyone who wants to understand how their lifestyle choices create real, measurable changes in their body at the genetic level.
📍 Chapters:
[00:00] Nina introduces the DNA-changing power of daily habits
[01:45] Dr. Ilardo's sea nomad discovery that shocked geneticists
[03:30] How identical twins end up with completely different health outcomes
[05:15] The exercise-gene connection: what 30 minutes really does
[07:00] Stress, sleep, and the methylation patterns controlling your immune system
[09:30] Practical steps to optimize your epigenetic switches
[11:00] Why your grandmother's diet might still be affecting your health today
🔔 Never miss an episode:
Follow Brainwaves and turn on notifications. New episodes drop daily, and tomorrow Nina's covering why your brain craves sugar at 3 PM (hint: it's not willpower).
🔍 Topics: epigenetics, gene expression, lifestyle medicine, DNA methylation, exercise genetics
Subscribe and never miss an episode at Brainwaves

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15min
July 09, 2026 Why Your Brain Blocks Creativity: Tom Segura Breaks the Science
What if the secret to better problem-solving wasn't logic, but learning how to bomb on stage? Tom Segura performs 300 shows a year, and what he's discovered about creativity will change how you think about your own mental blocks.
Most people think comedy is pure talent. Wrong. Segura spends 6-18 months crafting a single hour of material, testing every joke until he finds the exact formula that works. And here's the kicker: the same techniques that make audiences laugh can unlock creativity in medicine, business, and life.
What you'll discover:
• Why your brain's "safety mode" kills creative thinking (and how comedians bypass it)
• The 3:1 setup-to-punchline ratio that works for presentations, not just jokes
• How bombing teaches resilience better than any self-help book
• The 0.3-second window where real connection happens (comedians know this, but doctors miss it)
Nina breaks down the neuroscience behind why laughter literally rewires your brain for better creative thinking. Plus, you'll learn Segura's specific techniques for turning failure into fuel and why the best ideas come from the worst performances.
Chapters:
00:00 Why your brain blocks creativity
02:30 Tom Segura's 300-show-a-year method
05:15 The neuroscience of bombing
07:45 How comedians handle rejection
10:00 Applying comedy techniques to real problems
This isn't just entertainment. It's brain training disguised as comedy analysis.
Follow Brainwaves for daily episodes that decode how your mind actually works. Nina Valdez takes the latest research and makes it actually useful for your real life.
Subscribe and never miss an episode at Brainwaves

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17min
July 08, 2026 Huberman's 90-Minute Protocol: The Science Behind Peak Focus
What if the key to peak performance isn't working harder, but working with your biology instead of against it?
Andrew Huberman's 90-minute focus protocol isn't just another productivity hack. It's based on how your nervous system actually operates, and Nina breaks down the surprising science that makes it work.
What you'll discover:
• Why getting sunlight in your eyes within an hour of waking creates a natural energy boost that lasts all day
• The exact breathing pattern (4-7-8) that switches your brain from stress mode to focus mode in under two minutes
• How 11 minutes of cold exposure per week increases your dopamine by 250% and why timing matters more than temperature
• The evening light trick that optimizes melatonin production without any supplements
This isn't about forcing yourself into someone else's routine. Nina explains which parts of Huberman's protocol actually have solid research behind them and how to adapt them for real life. She's treated enough patients running on caffeine and willpower to know what sustainable energy actually looks like.
You'll learn why your afternoon crash happens at the same time every day, how to use your natural cortisol rhythm instead of fighting it, and which "wellness" trends are backed by actual neuroscience.
Chapters:
00:00 The 90-minute focus blocks explained
02:30 Morning light exposure timing
04:15 Cold therapy protocols that work
06:45 Evening routine for better sleep
09:20 What the research actually shows
If you're tired of productivity advice that ignores how your brain works, this episode gives you the science-backed tools that actually move the needle. Follow Brainwaves for daily episodes that cut through health hype with real medical expertise.
Subscribe and never miss an episode at Brainwaves

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...more
15min

FAQs about Brainwaves:

How many episodes does Brainwaves have?

The podcast currently has 11 episodes available.