Essentials: Science of Mindsets for Health & Performance | Dr. Alia Crum

Sep 4, 2025 Episode Page ↗
Overview

Dr. Alia Crum, PhD, professor of psychology at Stanford University, discusses how mindsets about stress, exercise, and food profoundly shape our physiology and behavior. She explains how reframing beliefs can improve health markers, satiety, and performance.

At a Glance
12 Insights
39m 10s Duration
11 Topics
5 Concepts

Deep Dive Analysis

Defining Mindsets and Their Broad Impact

Mindsets and Physiological Responses: The Milkshake Study

Mindset's Role in Diet Efficacy

Understanding the Nocebo Effect

Exercise Mindset and Health Outcomes: Hotel Study

Reframing Stress: Debilitating vs. Enhancing Mindsets

How Stress Mindsets Influence Motivation and Physiology

Mechanistic Basis of Mindset's Impact on Hormones

Mindsets as a Bridge Between Conscious and Subconscious

A Three-Step Protocol to Leverage Stress

Mindsets in Athletics and Future Research Directions

Mindsets

Mindsets are core beliefs or assumptions about a specific domain or category of things that orient individuals to particular expectations, explanations, and goals. They simplify complex reality, shaping motivation, attention, and even physiological responses.

Placebo Effect

This is a robust phenomenon where simply taking an inert substance, like a sugar pill, under the belief that it is a real medication, can lead to genuine physiological effects, such as reduced asthma symptoms or lower blood pressure.

Nocebo Effect

The nocebo effect is the 'ugly stepsister' of the placebo effect, where negative beliefs lead to negative consequences. For instance, being informed about potential side effects of a treatment makes individuals far more likely to experience those side effects.

Stress as a Paradox

The true nature of stress is complex and manifold, not solely debilitating. While stress can be harmful, the body's response is also designed to enhance abilities, such as narrowing focus, increasing attention, and speeding up information processing.

Physiological Toughening

This is a process within the stress response where the release of catabolic hormones activates anabolic hormones. These anabolic hormones help build muscles and neurons, contributing to growth, learning, and an enhanced ability to manage challenging situations.

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What is a mindset and how does it function?

A mindset is a core belief or assumption about a domain that shapes our expectations, explanations, and goals, simplifying complex reality and influencing our thinking and actions.

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Can our beliefs about the food we eat physiologically change our body's response?

Yes, the 'milkshake study' demonstrated that believing a shake was indulgent led to a threefold stronger drop in ghrelin (a hunger hormone) compared to believing it was a sensible diet shake, even though the shakes were objectively identical.

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How does an individual's mindset about exercise impact their health outcomes?

The 'hotel workers study' showed that housekeepers who were informed their daily work counted as good exercise experienced significant health benefits, including weight loss and decreased systolic blood pressure, without any actual change in their physical activity.

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Is stress inherently bad for us, or can it be beneficial?

Stress is not inherently bad; its true nature is a paradox. While it can be debilitating, the body's stress response can also enhance abilities like focus, attention, and information processing, and can even lead to post-traumatic growth.

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How do our mindsets about stress influence our motivation and coping strategies?

If stress is perceived as bad, motivation tends towards 'freaking out' (overreacting) or 'checking out' (denial). If stress is seen as enhancing, motivation shifts to utilizing the stress response to achieve desired outcomes and growth.

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How can mindsets influence subconscious physiological processes, like hormone regulation?

Mindsets act as a 'portal' or default setting between conscious and subconscious processes. They can influence the brain to trigger protective or growth-oriented physiological responses, such as modulating cortisol and DHEA levels, without direct conscious control.

1. Three-Step Stress Rethink

Implement a three-step approach to stress: 1) Acknowledge you are stressed, 2) Welcome the stress by recognizing it signifies something you care about, and 3) Utilize the stress response to achieve your goals, rather than trying to eliminate the stress itself.

2. Redefine Stress as Neutral

Clarify your definition of stress by understanding it as a neutral response to experiencing or anticipating adversity in your goal-related efforts, recognizing that stress only arises from things you care about.

3. Consciously Examine Your Mindsets

Bring your current mindsets, especially about stress, into conscious awareness to evaluate if they are serving you, and actively work to reprogram them if needed, understanding they act as a default setting influencing subconscious processes.

4. Embrace Stress for Growth

Adopt a ‘stress is enhancing’ mindset, focusing on how stress can grow you and bring out your best, as this can lead to fewer physical symptoms of stress and improved performance compared to a ‘stress will crush you’ mindset.

5. Utilize Stress for Goals

When stressed, shift your motivation from trying to eliminate stress to utilizing it to achieve enhancing outcomes, such as learning, growth, strengthening relationships, or clarifying priorities, rather than freaking out or checking out.

6. Indulgent Eating Mindset

When eating, especially for weight management, adopt a mindset that you are eating indulgently and sufficiently, as this can lead to more adaptive physiological responses like a stronger drop in ghrelin levels, signaling satiety.

7. Acknowledge Activity as Exercise

If you are physically active but don’t perceive it as exercise, reframe your mindset to acknowledge your activity as beneficial exercise, as this can lead to physiological health improvements like weight loss and reduced blood pressure without changing behavior.

8. Cultivate a Growth Mindset

Adopt the mindset that your intelligence and abilities are malleable and can grow and change, which will motivate you to work harder and improve in various domains.

9. Beware of Nocebo Effects

Be aware that negative beliefs or expectations about treatments or situations (the nocebo effect) can cause you to experience those negative consequences, such as side effects, even if objectively unwarranted.

10. Mindset’s Impact on Diet

Be mindful of your beliefs about your diet and the social context surrounding it, as these mindsets interact with your physiology to produce important health outcomes, regardless of the specific diet chosen.

11. Scientific Self-Evaluation

Treat yourself like a scientist by regularly examining your life and mindsets, identifying which ones are beneficial or detrimental, and consciously cultivating more useful, adaptive, and empowering beliefs.

12. Harness Placebo Power

Actively seek ways to consciously and deliberately leverage the placebo effect in medicine and daily life, recognizing the significant power of mindsets to influence physiological outcomes.

Mindsets are an assumption that you make about a domain.

Dr. Alia Crum

The true nature of stress is a paradox.

Dr. Alia Crum

We only stress about things we care about, and we don't stress about things we don't care about.

Dr. Alia Crum

Treat yourself like a scientist. Look at your life, look at your mindsets, see what's serving you, see what isn't, find more useful, adaptive, and empowering mindsets and, and live by those.

Dr. Alia Crum

Any athlete knows that you can be the same physical being from one day to the next, one moment to the next and perform completely differently, just depending on what you're thinking.

Dr. Alia Crum

Adopting a Stress-is-Enhancing Mindset

Dr. Alia Crum
  1. Acknowledge that you are stressed.
  2. Welcome the stress, recognizing that it inherently signifies something you care about.
  3. Utilize the stress response to achieve the thing you care about, rather than expending effort trying to eliminate the stress itself.
300 calories
Actual calorie content of milkshakes in the study The identical shakes were presented as either 620 calories (indulgent) or 300 calories (sensible).
Threefold stronger
Rate of ghrelin drop when perceived as indulgent Compared to when the same milkshake was perceived as sensible, indicating greater satiety.
10 points
Average decrease in systolic blood pressure for hotel workers Observed in the group informed that their work constituted sufficient exercise, without changing their activity.
9 minutes
Total video duration to change stress mindsets in UBS study Over the course of a week, leading to changes in mindset and physiological symptoms.
1 to 3 degrees Fahrenheit
Increase in body temperature due to psychogenic fever A genuine increase when people or animals believe they are sick.
30 minutes per day
Surgeon General's requirement for moderate physical activity Mentioned in the context of the hotel workers study, who were meeting this but unaware.