The Vitality PhD Reading List

Cornell food psychologist Dr. Brian Wansink reveals the hidden psychological and environmental cues that cause us to overeat, often without any awareness. Through fascinating research studies, he uncovers how plate size, food labels, restaurant design, and even the people we eat with dramatically influence how much we consume.

Why it's on your list: It transforms how you see your eating environment. By understanding the unconscious triggers that drive overeating, you gain the power to redesign your surroundings for automatic, effortless portion control, without relying solely on willpower.

James Clear presents a proven framework for forming good habits, breaking bad ones, and mastering the tiny behaviors that lead to extraordinary results. Built around the concept of 1% improvements, Clear introduces the Four Laws of Behavior Change: make it obvious, attractive, easy, and satisfying.

Why it's on your list: Sustainable weight loss is built one small habit at a time. It gives you a practical, science-backed system to build the daily routines that compound into lasting transformation, and reframes identity: instead of trying to lose weight, you become someone who takes care of their body.

A landmark work in personal development, Covey's masterpiece presents seven universal principles for living with fairness, integrity, and human dignity, from being proactive and beginning with the end in mind to sharpening the saw with self-renewal.

Why it's on your list: Weight loss requires the same mindset and discipline as any other major life achievement. Covey's principles teach you to take ownership of your health, set clear wellness goals, and balance physical renewal alongside mental and emotional wellbeing.

Dr. Jason Fung dismantles the calories-in/calories-out myth and reveals that hormones, especially insulin, are the true drivers of weight gain. He explains the science of insulin resistance and presents intermittent fasting as a powerful, evidence-based tool.

Why it's on your list: It provides the why behind years of failed diets, explaining the biology of fat storage and how to reset the hormonal environment that drives obesity. Understanding insulin fundamentally changes how you approach food choices and meal timing.

Stanford psychologist Carol Dweck distinguishes between a fixed mindset, the belief that abilities are static, and a growth mindset, the belief that talents can be developed through dedication. She shows how mindset profoundly affects every area of our lives.

Why it's on your list: A fixed mindset says I have always been overweight. A growth mindset says I can learn, change, and improve. It is essential for anyone who has experienced repeated setbacks, helping you view every stumble as a learning opportunity.

Michael Pollan distills his food philosophy into seven words: Eat food. Not too much. Mostly plants. He traces the rise of nutritionism, the obsession with individual nutrients, and argues it has made us confused and disconnected from real food.

Why it's on your list: In a world of conflicting diet advice, Pollan offers refreshing clarity. You learn to cut through marketing noise and return to the wisdom of whole, real food, the nutritional foundation that underpins everything at Vitality.

Darren Hardy reveals how small, consistent choices compound over time into massive results. He demonstrates that no single action creates transformation, but daily disciplines executed consistently create extraordinary outcomes.

Why it's on your list: Clients often expect dramatic results from dramatic efforts, then give up. This resets expectations: a daily walk, vegetables at dinner, an earlier bedtime, these small acts stack into a transformed body and life over time.

Dr. Joel Fuhrman introduces nutritarian eating, maximizing micronutrient density per calorie. He presents research showing that a diet rich in leafy greens, beans, fruits, and nuts drives weight loss and can prevent chronic disease.

Why it's on your list: It teaches that the goal is not simply to eat less, but to eat better. Nutrient density is a revelation for anyone accustomed to calorie-counting, an abundance-based way to think about healthy eating.

Science journalist Gary Taubes challenges the idea that fat accumulation comes from eating too much and moving too little. He argues that refined carbohydrates and sugar, not dietary fat or calories, are the primary drivers of obesity.

Why it's on your list: An eye-opener that frees you from guilt and confusion. Understanding the carbohydrate-insulin hypothesis helps you make targeted food choices, moving beyond vague advice toward understanding which foods truly drive fat storage.

Pulitzer Prize winner Charles Duhigg explores the neuroscience of habit formation, revealing the three-part loop of cue, routine, and reward that drives all habitual behavior, and how habits can be diagnosed and replaced.

Why it's on your list: Every client has habits working against them and habits they want to build. This provides the neurological roadmap for habit change, deep insight into why you reach for snacks when stressed or skip workouts.

Dr. Michael Greger examines the leading causes of premature death and reveals the nutrition research showing how a whole-food, plant-based diet can prevent and in many cases reverse these diseases. Includes the Daily Dozen checklist.

Why it's on your list: Weight loss is meaningful, but you need a deeper why to stay motivated. It connects healthy eating directly to longevity and quality of life, powerful reasons to stick with your program long after the initial excitement fades.

Psychiatrist and neuroscientist Dr. Judson Brewer explores the psychological mechanisms behind emotional eating. Using mindfulness-based strategies and neuroscience, he offers practical tools for breaking the cycle of craving-driven eating.

Why it's on your list: Emotional and stress eating are among the most common saboteurs of weight loss. It gives you both the scientific understanding of why it happens and concrete mindfulness tools to interrupt the cycle.

Dr. Peter Attia presents a vision of proactive, personalized medicine aimed at extending healthspan, the years spent in full physical and cognitive vitality, covering exercise, nutrition, sleep, emotional health, and metabolic health.

Why it's on your list: It elevates the conversation from losing weight to building a body that performs and thrives for decades. Attia's approach to strength training and metabolic health is particularly valuable for Vitality clients.

Neurologist Dr. David Perlmutter presents research linking high-carbohydrate diets to brain disorders such as anxiety, depression, and Alzheimer's, and proposes a low-carbohydrate, high-fat approach to eating.

Why it's on your list: Clients often do not connect their diet with how they feel mentally. It reveals the mind-body connection in nutrition: reducing refined carbohydrates can improve mood, clarity, and focus, all of which support better decisions.

Brain coach Jim Kwik shares science-based strategies to enhance memory, focus, and learning speed across three dimensions: mindset, motivation, and methods, filled with practical exercises to unlock brain potential.

Why it's on your list: The PhD program asks you to read, learn, and apply new information. Limitless gives you the tools to do so effectively: better retention, stronger motivation on hard days, and a belief that change is genuinely possible.

Hal Elrod introduces the SAVERS morning routine, Silence, Affirmations, Visualization, Exercise, Reading, and Scribing, as a framework for transforming mornings into intentional, high-performance rituals.

Why it's on your list: How you start your morning sets the tone for every food choice that follows. It gives you a concrete daily routine that builds clarity, self-belief, and physical momentum, making healthy choices feel natural.

Nutritionist Kelly LeVeque presents her Fab Four framework, protein, fat, fiber, and greens, as the foundation for blood sugar stabilization, reduced hunger, and natural weight management.

Why it's on your list: It bridges rigid dieting and intuitive eating. You learn to build satisfying meals that prevent hunger and cravings while developing a more compassionate relationship with your body.

Stanford psychologist Dr. Kelly McGonigal explains how willpower actually works as a mind-body response, why common strategies backfire, and presents ten weeks of science-based strategies to strengthen self-control.

Why it's on your list: Willpower alone is not a reliable strategy, but understanding its mechanics is invaluable. You learn why you fail in certain moments, how to recover without shame, and how to build real self-regulation skills.

Harvard-trained physician Dr. Sara Gottfried presents a seven-week protocol targeting the genetic, hormonal, and lifestyle factors that drive premature aging and weight gain.

Why it's on your list: Many clients, especially women, struggle with hormonal imbalances that make losing weight feel impossible. It validates those struggles with science and provides a protocol that goes beyond diet to address the full hormonal picture.

National Geographic researcher Dan Buettner identifies five regions where people routinely live healthy past 100, distilling their shared lifestyle practices into nine lessons around diet, movement, purpose, and belonging.

Why it's on your list: Rather than prescribing a diet, it reveals the holistic lifestyle that supports a long, healthy life, naturally aligned with Vitality's philosophy: daily movement, plant-forward eating, connection, and purpose.

Research professor Dr. Brene Brown explores the transformative power of vulnerability and shows how shame and fear of inadequacy drive self-destructive behaviors.

Why it's on your list: Weight loss journeys are deeply emotional, often rooted in shame and fear of failure. It helps you understand the patterns that kept you stuck, build resilience when you stumble, and find the courage to keep showing up.

Stanford neuroscientist Dr. Robert Sapolsky explains how chronic psychological stress triggers the same biological response as life-threatening danger, leading to obesity, heart disease, and depression.

Why it's on your list: Chronic stress is one of the most underappreciated saboteurs of weight loss, directly driving cortisol-related fat storage. It helps you understand the stress-weight connection and motivates real changes to manage it.

Shawn Stevenson presents research-backed strategies to optimize sleep quality, revealing how poor sleep drives fat storage, hunger-hormone disruption, and reduced exercise performance.

Why it's on your list: Many clients ignore sleep while focusing on diet and exercise, yet poor sleep increases hunger hormones and undermines metabolism. It fills a critical gap and gives you control over a powerful, neglected lever.

The creators of the Whole30 present the science behind a 30-day nutritional reset that reveals the true impact of food on energy, digestion, mood, and body composition.

Why it's on your list: A structured reset gives you a clear starting point and often produces dramatic early results that build confidence. Its emphasis on food's impact on mood helps you develop a more intentional relationship with eating.

Tim Ferriss applies his minimum effective dose philosophy to body transformation, presenting unconventional, research-backed strategies for fat loss, strength, and optimized health.

Why it's on your list: For clients frustrated by conventional advice, Ferriss offers fresh, contrarian perspectives. His results-focused approach can break through mental plateaus and inspire you to experiment with what actually works for your body.

Plastic surgeon Dr. Maxwell Maltz observed that changing appearance often failed to change self-perception, leading him to develop self-image psychology: our self-image is the true control mechanism for behavior.

Why it's on your list: Many clients carry a subconscious identity as an overweight person that sabotages conscious effort. It helps you understand and intentionally redesign your self-image, a transformation that must happen alongside the physical one.

Psychologist Angela Duckworth shows that outstanding achievement comes not from talent but from a combination of passion and long-term perseverance she calls grit, and how it can be cultivated.

Why it's on your list: Weight loss is a long game. You need resilience for the plateaus and the bad weeks. Grit teaches that struggle is not a sign you are failing, it is evidence you are growing, the difference between transforming and quitting.

Based on one of the most comprehensive nutritional studies ever conducted, Dr. Campbell presents evidence that a whole-food, plant-based diet is associated with dramatically lower rates of cancer, heart disease, diabetes, and obesity.

Why it's on your list: Understanding large-scale research connecting diet to disease gives you evidence-based motivation to shift toward plant-forward eating. Whether or not you go fully plant-based, its lessons inspire lasting changes to your plate.

Bestselling author Jen Sincero combines irreverent humor with deep wisdom to help readers identify and overcome the self-limiting beliefs holding them back, guiding them to take action.

Why it's on your list: Many clients carry years of negative self-talk and self-doubt. Sincero's no-nonsense, humorous approach cuts through the noise and reignites a sense of personal power, reminding you that you are capable of becoming who you want to be.

Stanford neuroscientist Dr. Andrew Huberman presents evidence-based protocols for optimizing sleep, focus, exercise, stress, hormones, nutrition, and mental performance, translating peer-reviewed neuroscience into daily tools.

Why it's on your list: The ultimate operating manual for clients who want to optimize not just their weight but their entire health. Huberman's protocols for sleep, light exposure, exercise timing, and stress give you a precise, science-backed daily toolkit.