Best Complex Science Made Simple Podcasts (2025)

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How Did Money Start? (Did People Really Trade Goats for Shoes?) 9:55

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1d ago9:55

9:55

How did money begin? And did people really swap goats for shoes? In this episode of Explain It Like I’m 5, Alex traces the quirky, creative, and sometimes downright strange history of money. From barter systems and cacao beans to cowrie shells, giant stone discs, gold coins, and paper bills, we’ll explore how humans went from trading goats to trust…

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27 | How to Boost Immunity Naturally When Your Sick 14:33

3d ago14:33

14:33

Learn how to boost your immunity naturally when you’re sick with practical, science-backed steps rooted in holistic nutrition and natural medicine. In this episode I share how small shifts in your daily habits - like rest, nourishment, and mindful recovery can strengthen your immune system and support lasting wellness. Discover how healthy meals, r…

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S 846: Reverse Diets, Processed Foods, and the Truth About Metabolic Adaptation 27:44

5d ago27:44

27:44

In this featured replay, I sit down with Andrew Coates to unpack two of the most misunderstood topics in the fitness and nutrition space: reverse dieting and ultra-processed foods. This episode is a masterclass in nuance — helping coaches move beyond trends, challenge popular narratives, and better guide clients in an era of confusion around nutrit…

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Why Do We Get Sick? (And Is a Cold Just My Body Being Dramatic?) 9:09

6d ago9:09

9:09

Why do we get sick? And is a cold really just our body being overdramatic? In this episode of Explain It Like I’m 5, Alex dives into the sneezes, sniffles, and science of sickness. From bacteria, viruses, fungi, and parasites to the immune system’s dramatic defense strategies (fever, mucus, sneezing at 100 mph), we’ll explore why being sick often f…

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S 845: Starve the Monsters in Your Mind: How Self-Doubt and Avoidance Hold You Back 9:48

7d ago9:48

9:48

In this episode, I want to share a story and framework that have helped me and many of the coaches I mentor break free from the mental loops that keep us stuck — fear, procrastination, and self-doubt. This idea is rooted in psychology, specifically Albert Bandura’s concept of self-efficacy. If you’ve been waiting to feel “ready” before you act — in…

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How Do Airplanes Fly? (And Why Don’t They Flap Like Birds?) 9:22

8d ago9:22

9:22

How do airplanes—giant metal tubes weighing hundreds of tons—somehow stay in the sky? And why don’t they just flap their wings like birds? In this episode of Explain It Like I’m 5, Alex unpacks the physics of flight in plain English. From the four forces of flying (lift, weight, thrust, drag) to how wings create lift through Bernoulli’s principle a…

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26 | The Weight Loss-Cortisol-Inflammation Puzzle: How Unhealthy Foods Keep You Stuck (Part 2) 11:37

10d ago11:37

11:37

Learn how hyperpalatable foods dysregulate the nervous system and how this affects cortisol, inflammation, and weight loss. If you’ve ever wondered why you can’t seem to lose that stubborn fat even when you’re “doing everything right,” this episode is for you. I unpack how unhealthy, hyperpalatable foods - those addictive combinations of sugar, fat…

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Understanding Polygenic Risk Scores: A Deep Dive into Genetics and Predictive Healthcare 53:40

11d ago53:40

53:40

In this episode of Precision Medicine Made Simple, we’re joined by Dr. Jeff Gulcher, co-founder of Decode Genetics and current leader at Galateo Bio. Dr. Gulcher shares his vast experience in the field of genomics and precision medicine, covering everything from polygenic risk scores (PRS) to the challenges of integrating diverse genetic data into …

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3 Steps to Clarity & Healthy Living: The FREE Workshop That Makes Wellness Simple 6:19

12d ago6:19

6:19

Are you tired of trying all the things... expensive supplements, failed meal planning attempts and endless un-made healthy recipes from Pinterest? If your wellness routine feels chaotic and unfulfilling? You’re not alone. In this bonus episode of The Health Habit Podcast, I’m inviting you to my free, live Wellness Consistency Workshop - a one-hour …

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Why Do We Get Old? (And Can I Pause It Like a Video?) 10:34

13d ago10:34

10:34

Why do we wrinkle, slow down, and creak with age, and is there any way to hit “pause”? In this episode of Explain It Like I’m 5, Alex breaks down the science of aging in the simplest terms possible: from the Hayflick limit and telomeres (your DNA’s shoelace caps), to oxidative stress, cellular “garbage,” and a tired immune system. We’ll explore why…

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S 844: The Mindset Shift Coaches Need to Thrive as Creators - Plus How to Overcome Fear, Trolls, and Self Sabotage 11:00

14d ago11:00

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How Did Language Start? (Did Someone Just Make Up the First Word?) 10:43

15d ago10:43

10:43

By Alex

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25 | Supporting Immunity During the Cold Seasons with Herbalism and Home Remedies 13:02

17d ago13:02

13:02

Fall is here - and with it comes the usual sniffles, sore throats, and seasonal immune dips. In this episode, we dive into how natural medicine, herbal remedies, and simple home remedies can help strengthen your immune system and keep you feeling grounded through the cold season. You’ll learn the difference between immunostimulants and immunomodula…

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S 843: When Western Medicine Fall Short: Why Coaches Matter More Than Ever 17:38

18d ago17:38

17:38

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Why Do We Cry? (And Why Does My Nose Join In?) 10:39

20d ago10:39

10:39

Why do humans shed emotional tears, and why does our nose run when we cry? In this episode of Explain It Like I’m 5, Alex breaks down the science of crying: the three types of tears (basal, reflex, and emotional), why humans are the only species that cry from feelings, and how crying acts as an emotional release valve for your brain and body. Learn…

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Understanding Forgiveness As A Path To Healing And Freedom 51:30

20d ago51:30

51:30

Forgiveness is more than letting go—it’s a powerful path to freedom, healing, and love. Bill Courtright and Eddie Reece dive deep into the meaning of forgiveness, exploring why holding onto anger and hurt only harms ourselves and how true release begins within. Eddie, drawing on his work as a psychotherapist, explains why forgiveness isn’t dependen…

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S 842: GLP-1s, Ozempic, Testosterone, HcG & Fertility: What’s Changing in Weight Loss, Telehealth, and Functional Medicine 48:02

21d ago48:02

48:02

Wanted to answer a few questions we haven't covered yet on this platform discussing the science of GLP-1, HRT, fertility options and considerations, and more. Topics and questions include: ⁠Save your seat for the FREE GLP-1 Workshop - October 1st 2025 - The Science of GLP-1 - Gluconeogensis - What Concerns Me About GLP-1 Use - HRT, Men, and Fertili…

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What Is DNA (Am I Just a Walking Recipe?) 10:46

22d ago10:46

10:46

What exactly is DNA, and is it really just an instruction manual for building you? In this episode of Explain It Like I’m 5, Alex unpacks the science behind DNA—from the famous double helix to the role of genes, chromosomes, and those four magical letters: A, T, C, and G. Discover how your DNA works like a giant recipe book, what makes mutations bo…

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24 | Why Unhealthy Foods Taste So Good - And How to Break Free (Part 1) 11:10

24d ago11:10

11:10

If you’ve ever wondered why unhealthy foods taste so good - or why it feels so hard to choose a nourishing salad over a bag of chips - you’re not alone. In this episode of The Health Habit Podcast, we unpack the science behind hyperpalatable foods and how they hijack your biology, cravings, and mood. These processed foods are designed to override y…

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S 841: Ozempic and GLP-1: Miracle Weight Loss or Dangerous Shortcut? Physiological Considerations, My Honest Thoughts, and More! 27:33

24d ago27:33

27:33

You've probably heard by now or come across the injection semaglutide known by its brand name Ozempic. Is it the miracle drug that tout it to be or is it a giant mistake for individual's long term health? I'll explore some of the potential consequences of this drug, who I believe it would benefit most, and more! Topics include: Save your seat for t…

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Navigating Healthcare Complexity: DIY Testing, AI, and Building Your Trusted Care Team 41:52

25d ago41:52

41:52

In this episode of Precision Medicine Made Simple, we’re joined by Lucy Janoyan, the Chief Operations Officer and Chief Strategy Officer at Biography Health. Together with Taylor Cu, Lucy dives into a wide-ranging discussion on the state of healthcare, DIY testing, and the future of personalized care. Lucy and Taylor reflect on their experience at …

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Why Do People Lie? (And Can My Dog Tell?) 10:48

27d ago10:48

10:48

Why do humans lie, even when we know it's wrong—and can our dogs actually tell? In this episode of Explain It Like I’m 5, Alex breaks down the psychology and science of lying: why people tell white lies, fibs, and full-on whoppers; what goes on in your brain when you deceive someone; and how lying starts in childhood. Plus, we dig into the big ques…

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Why Satisfaction Is Elusive—And How To Find Ease Instead 54:18

27d ago54:18

54:18

Why do we struggle to feel truly satisfied? In this episode, Eddie Reece and Bill Courtright explore why "complete satisfaction" often feels elusive and how cultural expectations set us up for disappointment. Eddie challenges the myth that constant happiness is the goal, emphasizing instead the value of embracing the full spectrum of human emotions…

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S 840: The Ultimate Guide to Vitamin D: Benefits, Deficiency, and Supplementation to Master Micronutrient Science 45:49

27d ago45:49

45:49

Do you or your coaching clients need to take a Vitamin D supplement? What role does Vitamin D play and what are the benefits? What consequences arise from being Vitamin D deficient and not gettin enough sunlight? All these and more I discuss on this deep dive episode. Topics include: - Fat Soluble Vitamins - Critical Hormone Aspect - Our Sponsors -…

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How Does Music Work? (And Why Does It Make Me Want to Dance?) 8:25

29d ago8:25

8:25

Why does music move us, literally and emotionally? In this episode of Explain It Like I’m 5, Alex breaks down the science of music: how simple vibrations become pitch, rhythm, and harmony; why your brain releases dopamine when you hear your favorite song; and how rhythm syncs with your body and makes you want to dance. From tribal drums to frisson …

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23 | From Stressed to Calm: 3 Practices for Mindful Self-Compassion 12:18

1M ago12:18

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Do you ever feel like stress has hijacked your life? In this episode of The Health Habit Podcast, we’re diving into how Mindful Self-Compassion can become your bridge from overwhelm to content. Because at the end of the day... a lot of the success of your wellness journey depends on how well you manage your inner world. I guide you through three po…

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S 839: Maximize This Profit Lever in Your Coaching Business - Increasing Retention and Mitigating Churn 20:12

1M ago20:12

20:12

We've heard the old adage about how it's cheaper to keep a current customer than it is to acquire a new customer but is it true? Not only is it true but it goes deeper than that. I want to explain how your retention and churn rate will affect your coaching business long term, what churn rate is if you aren't aware of it, and the value of having gre…

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Why Do We Have Rules? (And Who Decided “No Running With Scissors”?) 8:01

1M ago8:01

8:01

Rules can feel annoying. But have you ever stopped to ask: Why do we even have rules? And seriously, who came up with “no running with scissors”? In this laugh-and-learn episode of Explain It Like I’m 5, host Alex unpacks the origin of rules, why humans need them, and how they’ve shaped everything from classrooms and kitchens to governments and pla…

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From Suppression To Emotional Expression: Finding Your True Voice 43:16

1M ago43:16

43:16

What does it mean to truly express your emotions in a healthy way? In this episode, Eddie Reece and Bill Courtright unpack the concept of emotional expression in both therapy and everyday behavior. Eddie defines it as “the right emotion at the right time to the right degree, without beating yourself up,” and explores how suppression, misrepresentat…

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S 838: 4 Traits of Successful Coaches That Most Get Backwards 25:00

1M ago25:00

25:00

After spending nearly 2 decades in this industry being mentored by some of the greats and observing thousands more, I've noticed some common patterns and trends among them. What I see newer coaches do is get these 4 traits I'm about to share with you backwards and I don't want you to be one of them. In today's episode, I'll share the 4 traits, why …

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What Is Electricity—And Is It Just Angry Lightning in My Walls? 9:57

1M ago9:57

9:57

We plug in our phones, flip on the lights, microwave pizza rolls… but what actually is electricity? And is the stuff in your walls just tamed lightning? In this high-voltage episode of Explain It Like I’m 5, host Alex takes on one of the most used—and least understood—forces in your daily life: electricity. From electrons to outlets, from lightning…

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22 | Overcoming low self-esteem related to Skin and Health issues 14:13

1M ago14:13

14:13

Skin and health challenges aren't just hard for physical reasons - there are also spiritual and emotional issues to navigate. In this episode, I open up about how I overcame low self-esteem, negative self-talk and shame that came up while I was navigating severe acne. Whether you're navigating a new diagnosis, acne, psoriasis, eczema, or a chronic …

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S 837: Using Science to Enroll More Clients, Build Credibility, and Grow Your Business without Feeling Salesy 27:36

1M ago27:36

27:36

After a decade plus in this industry and coaching hundreds of coaches to this point, there's a correlation between coaching and sales that can't be denied. I want to share with you 5 ways that your coaching and the belief and conviction you have in yourself affect your sales and client acquisition. Topics include: - Coaching and Sales - Selling You…

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Why Do We Sleep? (And Why Do I Feel Tired After Napping?) 10:36

1M ago10:36

10:36

We spend about a third of our lives asleep—but have you ever wondered why? Or why a quick nap sometimes makes you feel more tired than before? In this eye-opening episode of Explain It Like I’m 5, host Alex breaks down the mysterious science of sleep, answering two questions we all think about: 👉 Why do we sleep? 👉 Why do naps sometimes leave us gr…

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Anxiety Explained: Fight, Flight, Freeze—and How to Reset Your System 53:36

1M ago53:36

53:36

Anxiety isn’t just “worrying too much”—it’s the nervous system on high alert, constantly scanning for threats both real and imagined. Eddie Reece and Bill Courtright break down how the sympathetic and parasympathetic systems shape our experience of fear, stress, and calm. From everyday triggers like a messy dishwasher to overwhelming rumination tha…

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S 836: Caffeine and Sleep Quality: Research Review on Optimizing Intake for Your Metabolism and Genetics 18:41

1M ago18:41

18:41

A new study that came out in 2023 has some interesting observations when it comes to caffeine and sleep quality I wanted to bring to your attention in today's episode. We will discuss the benefits of caffeine, why our under-recovered society relies on this substance, caffeine half lives and how grapefruit juice and alcohol can impact it, conclusion…

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What Is the Internet Made Of? (And Can I Visit It Without a Password?) 10:51

1M ago10:51

10:51

Is the internet just floating in the sky? Is it made of magic—or cat videos? In this episode of Explain It Like I’m 5, we’re asking a question you’ve definitely thought about: What is the internet actually made of? And the bonus question: Can you visit it without a password? Join host Alex as we explore the surprisingly physical world behind the di…

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Polygenic Risk Scores 101: A Key to Predicting and Preventing Complex Diseases 36:53

1M ago36:53

36:53

In this episode of Precision Medicine Made Simple, we welcome back Dr. Yelena Bykhovskaya, the Chief Scientific Officer at Biography Health, for a deep dive into polygenic risk scores (PRS) and their emerging role in precision medicine. Dr. Bykhovskaya breaks down the complexities of genetics and its application in clinical practice, focusing on ho…

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21 | Want Clearer Skin? 2 Natural Fixes That ARE'NT Skincare Products 18:29

2M ago18:29

18:29

The Two Daily Habits That May Be Secretly Sabotaging Your Skin Health. If you’ve been chasing clearer skin, struggling with stubborn acne, or wondering why your skincare routine isn’t delivering the glow you crave - this episode is for you. I reveal two of the most overlooked, yet powerful natural strategies for improving skin health from the insid…

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S 835: 7 Ways Lab Markers Can Help You Get Results For Your Clients in the Real World 28:24

2M ago28:24

28:24

Many coaches operate under some false assumptions when it comes to lab work and are not using this valuable data to their full advantage. I want to address in this episode 7 different ways you can use lab results to enhance your clients results and transformation. Topics include: - 7 Ways Lab Results Can Enhance Client Results - How Coaches Typical…

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How Does Gravity Work? (And Is It Just Earth Giving Us a Giant Hug?) 10:05

2M ago10:05

10:05

What is gravity, really? Is it just the Earth lovingly hugging us... or something much weirder? In this episode of Explain It Like I’m 5, host Alex breaks down the mystery of gravity—one of the most familiar and yet least understood forces in the universe. From falling apples and bouncing astronauts to black holes and bending space-time, we’ll answ…

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S 834: Blood Work Demystified: My Guide to What Really Matters and How to Connect Labs to Fitness Transformations 41:42

2M ago41:42

41:42

As a follow up to my episode around the 7 reasons lab markers can help get results for your clients in the real world, I wanted to share some of the common misconceptions I see with coaches when it comes to blood chemistry. These range anywhere from overemphasizing one metric, understanding what's normal vs optimal, and even around glucose and insu…

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What Exactly Is The Internet? And Can You Visit It? 9:26

2M ago9:26

9:26

Ever wondered if the internet is a real place you can visit, maybe with a granola bar and a passport? In this laugh-out-loud yet genuinely enlightening episode of Explain It Like I’m 5, we break down the question: What is the internet? From underwater cables and blinking server rooms to “the cloud” (spoiler: it’s just someone else’s computer), host…

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What’s Inside the Earth? (And Could You Actually Dig a Hole to China?) 7:05

2M ago7:05

7:05

Ever wonder what’s really beneath your feet—or if you could dig a tunnel straight through the planet to pop out in China? In this fun and fiery episode of Explain It Like I’m 5, host Alex digs into one of the most iconic science questions of all time: What’s inside the Earth? And while we’re at it… could you actually dig a hole to China? Spoiler: p…

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20 | 1 Simple Technique for Insomnia, Stress & Immunity 16:10

2M ago16:10

16:10

Discover the science-backed power of forest bathing for total body wellness. Have you ever walked through the woods and felt an unexplainable sense of calm wash over you? In this episode, we explore the science behind that sensation. Specifically in the terms of the practice of forest bathing - a simple, accessible practice that has powerful benefi…

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S 833: Hidden Reasons for Gut Issues and Digestive Dysfunction: 5 Reasons for Common Gut Problems That Most People Miss 14:30

2M ago14:30

14:30

If you or your clients are suffering with gut health issues and labs are looking okay, there are reasons beyond initial SHREDS and lab work we need to consider. I want to share 5 hidden culprits when it comes to digestive dysfunction and how they could be impacting you or your clients. Topics and culprits include: - Beyond The Food Log and Gut Heal…

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Do Aliens Really Exist? (Or Are We Just Bad at First Contact?) 7:41

2M ago7:41

7:41

Are we alone in the universe? Or is it possible that intelligent alien life is out there—and we’re just missing the message? In this mind-expanding episode of Explain It Like I’m 5, host Alex dives deep into one of humanity’s biggest cosmic questions: Do aliens really exist? And if so, why haven’t they contacted us? From the staggering size of the …

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How Fantasy Shapes Our Lives, Part 2 33:33

2M ago33:33

33:33

Embark on a captivating journey into the realm of fantasy and its profound impact on our lives. Eddie Reece and Bill Courtright explore the connection between fantasy, reality, and emotional well-being. Discover how fantasy shapes our narratives, from childhood dreams to the dynamics of groups. Uncover how groupthink and tribalism can distort our p…

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Explaining Your credit score 4:37

2M ago4:37

4:37

Tea on something that feels totally confusing but is low-key a major flex: your credit score. What even is this three-digit number? Why do landlords and banks care so much about it? Michael breaks down the "rizz" of your finances, explaining what makes your score go up or down, and sharing the simple moves you can make to get that financial glow-up…

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Quotes Of Inspiration Part 2 49:15

2M ago49:15

49:15

Eddie Reece and Bill Courtright continue their conversation about inspiring quotes, this time diving deep into the words of wisdom of different people from all walks of life. They discuss the rewards of facing fear head-on and being comfortable with pain. They reflect on the wisdom gained through hardships and the right way to confront problems to …