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#1 Mindset Expert: Simple Mindset Shifts That Transform Your Body, Energy, & Life

Order your copy of The Let Them Theory 👉 https://melrob.co/let-them-theory 👈 The #1 Best Selling Book of 2025 🔥 Discover how much power you truly have. It all begins with two simple words. Let Them. — Today, you are going to learn scientifically proven ways you can use your mind to upgrade your life, starting with your body, your energy, and your confidence. In this episode, Stanford professor and leading psychology and mindset researcher Dr. Alia Crum reveals the science behind how your thoughts shape your body, your energy, and your health. She’s proven over and over again that your thoughts about exercise, stress, and food are working against you – and how you can change them. She’ll explain that this isn't just about thoughts, but that you have settings in your mind that you need to change. This is not positive thinking. This is repeatable, evidence-based science behind mindset, motivation, and physical change. You’ll learn: -The one mindset shift that makes healthy habits feel easier instead of exhausting -The groundbreaking studies proving your beliefs can change your biology -How to make workouts easier so you get fitter, faster -How the “settings in your mind” influence your metabolism, hunger, stress, and recovery -How to make healthy eating easier so you feel your best every day -How to stop fighting your body and start working with it -How to feel more energized, capable, and consistent without forcing yourself -How to overcome your worst fears so you don’t let anything hold you back If you are tired of criticizing yourself, tired of your fears and anxiety, and tired of never seeing the results you deserve, Dr. Crum is going to teach you, step by step, exactly how to change the settings in your mind to achieve anything you want. Once you hear this, you’ll start noticing shifts in places you never expected. For more resources related to today’s episode, click here for the podcast episode page: https://www.melrobbins.com/episode/episode-353 Follow The Mel Robbins Podcast on Instagram: https://www.instagram.com/themelrobbinspodcast I’m just your friend. I am not a licensed therapist, and this podcast is NOT intended as a substitute for the advice of a physician, professional coach, psychotherapist, or other qualified professional. Got it? Good. I’ll see you in the next episode. In this episode: 00:00 Meet the Guest 04:09 Learn How to Control Your Mindset 09:05 How to Use The Placebo Effect In Your Life 22:24 Trick Your Mind to Work With Your Biology 37:21 How Your Mind Changes How Food Affects You 54:04 Practical Tools to Live a Healthier Life 01:15:39 You Have More Control Than You Think — Follow Mel: Instagram: https://www.instagram.com/melrobbins/ TikTok: http://tiktok.com/@melrobbins Facebook: https://www.facebook.com/melrobbins LinkedIn: https://www.linkedin.com/in/melrobbins Website: http://melrobbins.com​ — Sign up for Mel’s newsletter: https://melrob.co/sign-up-newsletter A note from Mel to you, twice a week, sharing simple, practical ways to build the life you want. — Subscribe to Mel’s channel here: https://www.youtube.com/melrobbins​?sub_confirmation=1 — Listen to The Mel Robbins Podcast 🎧 New episodes drop every Monday & Thursday! https://melrob.co/spotify https://melrob.co/applepodcasts https://melrob.co/amazonmusic — Looking for Mel’s books on Amazon? Find them here: The Let Them Theory: https://amzn.to/3IQ21Oe The Let Them Theory Audiobook: https://amzn.to/413SObp The High 5 Habit: https://amzn.to/3fMvfPQ The 5 Second Rule: https://amzn.to/4l54fah

Dr. Alia CrumguestMel Robbinshost
Dec 20, 20251h 20mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 6:34

    Mindset as “settings of the mind”: what it is and why it shapes reality

    Dr. Alia Crum defines mindset as the “settings” or lenses through which you interpret experiences. She explains that mindsets aren’t true/false judgments, but simplified evaluations that still powerfully shape outcomes. The conversation sets up why mindset is actionable: if settings exist, they can be changed.

    • Mindset = settings/lenses/frames that orient you to certain experiences
    • Core beliefs shape these settings (essence of what something is and why it matters)
    • Mindsets are not right/wrong; they’re simplified judgments with real consequences
    • Changing settings is a learnable skill, not just “think positive”
  2. 6:34 – 9:11

    How mindsets work: the 4 mechanisms (attention, emotion, motivation, physiology)

    Crum lays out the core pathways by which mindsets create lived reality. Your beliefs steer what you notice, how you feel, what you do, and how your body responds. This frames mindset as a design feature of the brain-body system, not “magic.”

    • Mindsets direct attention (what evidence you notice)
    • Mindsets shape emotional experience and expectations
    • Mindsets influence motivation and behavior choices
    • Mindsets alter physiological preparation and bodily response
  3. 9:11 – 19:05

    Case study—fear of flying: updating an old setting to change physical anxiety

    Using a listener example, Crum explains how a fearful belief (often meant to protect you) can create the symptoms you dread. Repeating “this is an old setting” introduces distance and flexibility, interrupting the attention-emotion-body loop. The takeaway: awareness alone can sometimes loosen entrenched reactions without needing to fully trace origins.

    • Old settings can come from earlier experiences and become protective habits
    • Belief amplifies symptom-monitoring and anxiety, which intensifies bodily sensations
    • Avoidance behaviors reinforce the fear loop
    • Updating the setting (“I don’t need this anymore”) can reduce physiological symptoms
  4. 19:05 – 22:33

    From “just believe” to precision: choosing useful mindsets without self-blame

    They broaden the concept beyond health to relationships, success, and self-worth. Crum emphasizes that mindsets are culturally shaped, so people shouldn’t blame themselves for having them—but can be empowered to change them. The conversation pivots from diagnosis to agency: you can ‘flip the switch’ at any moment.

    • Common limiting beliefs (“I’ll always be alone,” “I’m not enough”) function as mindsets
    • Mindsets simplify complexity but can become self-fulfilling
    • Beliefs are shaped by culture/upbringing; don’t moralize them
    • Empowerment: you can change settings once you can name them
  5. 22:33 – 27:42

    Placebo effect 101: what it is in clinical trials and what it reveals

    Crum explains placebo-controlled trials and why placebo responses are often treated as ‘noise’—even though they reliably produce measurable changes. She lists real physiological systems affected by placebo, underscoring that belief can trigger neurobiological pathways. The key reframe: placebo reveals mind-and-body, not mind-over-matter.

    • Clinical trials compare real medication vs inactive placebo capsules
    • Placebo effects can reduce pain, improve sleep, affect asthma, BP, immune response
    • Effects have measurable brain and body correlates (opioids, dopamine, conditioning)
    • Placebo highlights that belief and context shape biological outcomes
  6. 27:42 – 33:44

    Mind + medication: the “combined effect” and the migraine labeling study

    Crum introduces the idea that total treatment impact includes both the active ingredient and what you believe about it. She details a migraine study where pills were mislabeled (real drug labeled placebo and vice versa), showing that belief can magnify or blunt a drug’s impact. The result makes mindset a practical lever in healthcare and self-care.

    • Total effect = what’s in the pill/food + what you believe about it
    • Study: Maxalt vs placebo crossed with labels (told Maxalt vs told placebo)
    • Real pill worked less when labeled placebo; placebo worked more when labeled real
    • Belief’s effect can be comparable in size to the pharmacology effect
  7. 33:44 – 37:23

    Serious diagnoses and mindset: avoiding denial, adopting ‘manageable’ and ‘capable’

    Mel clarifies a critical boundary: belief alone doesn’t cure cancer. Crum insists on ‘mind and matter’—use best treatments while also shaping mindsets that improve experience and symptoms. She shares findings that “manageable” and “my body is capable” mindsets can reduce chemo-related symptoms and improve functioning.

    • Rejects ‘think positive’ as denial; advocates realistic, useful mindsets
    • Best cancer mindset: manageable (vs catastrophe/unmanageable)
    • Second key mindset: body is capable (vs body has betrayed me)
    • Mindsets can improve quality of life and reduce symptoms like fatigue/nausea
  8. 37:23 – 43:43

    The Milkshake study: belief changes hunger hormones and metabolic signals

    Crum walks through her famous experiment: participants drank the same 350-calorie shake twice, but labels framed it as either indulgent (620 calories) or sensible (140). Ghrelin responses differed dramatically depending on what people believed they consumed. The chapter challenges simplistic ‘calories in, calories out’ thinking by adding mindset as a biological input.

    • Same milkshake, different labels: “Decadence you deserve” vs “Sensishake”
    • Measured ghrelin (“hunger hormone”) via repeated blood draws
    • Belief in indulgence caused a much larger ghrelin drop (satiety signal)
    • Mindset changes how the body processes the same food
  9. 43:43 – 54:12

    Origin story and the real lesson: eat in a mindset of indulgence (not restriction)

    Crum reveals the study was inspired by her own struggles with calorie counting and disordered eating. The counterintuitive takeaway: when people believe they’re restricting, the body may respond as if it’s not getting enough. She reframes ‘indulgence’ as fully enjoying food—whether salad or dessert—rather than licensing unlimited treats.

    • Study idea sparked by the “should I order cheesecake?” dilemma
    • Restriction mindset can amplify scarcity and undermine satiety signals
    • Indulgence = allowing enjoyment and “this is enough,” not overeating permission
    • Shifting mindset reduced her struggle with food and desire for dessert
  10. 54:12 – 59:41

    Making healthy food appealing: turning lettuce into an indulgent choice (and parenting cues)

    Mel and Crum use a head of iceberg lettuce to illustrate how ‘healthy food is depriving’ is a learned mindset shaped by marketing. Crum shows how language, presentation, and pairing can change desire and bodily readiness to eat. She shares a childhood example (V8 in a wine glass with lemon) to demonstrate how parents can build ‘healthy = indulgent’ associations.

    • ‘Healthy = gross/depriving’ is a mindset reinforced by culture and advertising
    • Reframe: build an indulgent salad experience (taste, pleasure, satisfaction)
    • Simply imagining indulgence can trigger physiological preparation (e.g., salivation)
    • Parents can shape mindsets by presentation/ritual, not just nutrition rules
  11. 59:41 – 1:06:20

    Strength and exercise: shifting from ‘I’m weak’ to ‘I’m capable’ to stop the spiral

    Using a 30-pound weight, Mel demonstrates how quickly a self-judging setting (“I’m weak”) activates shame and demotivation. Crum shows how a capability mindset changes perception and willingness to re-engage after lapses. They connect this to consistency: the mindset after you miss a week determines whether you spiral or restart.

    • Objects trigger instant self-beliefs (e.g., weight = “I’m not strong enough”)
    • Capability mindset can change felt experience of difficulty (some evidence)
    • When life disrupts routines, ‘I failed’ mindset reduces motivation and follow-through
    • Focus on both behaviors and the mindsets that make behaviors sustainable
  12. 1:06:20 – 1:11:51

    Cravings, cake, and the ‘white bear’ effect: why ‘don’t’ makes you want it more

    They use a chocolate cake prop to explore how restriction increases fixation. Crum explains ironic mental processing: trying not to think about something makes it more salient. She demonstrates how changing the story about the same cake (stale, processed) can reduce desire—highlighting deliberate control over the frame.

    • Restriction cues intensify craving and attention toward the forbidden food
    • White bear effect: ‘don’t think about it’ increases thinking about it
    • Reframing the same object changes desire (quality, freshness, ingredients)
    • Mindset choice determines whether a treat feels compelling or optional
  13. 1:11:51 – 1:15:50

    Money mindsets: scarcity vs abundance and identity-level beliefs

    Holding four dollars, they distinguish objective reality (amount) from the mindset meaning attached to it. Crum contrasts scarcity beliefs (“I’ll never have enough”) with abundance/capability beliefs and notes how mindset can drive behaviors that worsen or improve finances. She also emphasizes that the most powerful mindsets often sit at the category/identity level, not about a single object.

    • Objective amount vs core belief about what money ‘means’
    • Scarcity mindsets can trigger stress and behaviors that reinforce scarcity
    • Capability/abundance mindsets can change choices and persistence
    • The real lever is category-level beliefs about self, health, and possibility
  14. 1:15:50 – 1:20:36

    Putting it into practice: start where you are, pick the next useful mindset, you’ve got this

    Crum closes with a practical sequence: acknowledge current problems/goals, then intentionally select a mindset that helps you move forward. She reiterates high-leverage examples—indulgence with eating; manageable/capable with health diagnoses. Final encouragement: while many things are uncontrollable, mindsets are changeable and worth practicing deliberately.

    • Start with honest acknowledgment of goals and challenges
    • Ask: ‘What mindset would help me address this today?’
    • Weight/food: prioritize indulgence mindset alongside nutrition
    • Health diagnosis: adopt ‘manageable’ and ‘my body is capable’ mindsets

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