Habits, Behavior Change & Building a Healthy Life

Duhigg is a reporter who assembled the habit research and the case histories into the book that opened this subject to a general audience. It covers the neurological loop of cue, routine and reward with the basal ganglia research behind it, the concept of keystone habits whose change propagates into other behaviors, the role of craving in maintaining a loop, how habits are altered by substituting the routine while keeping the cue and reward, the operation of habit at organizational scale with case studies from industry and public safety, and the use of habit data in marketing. What distinguishes it in this section is the reporting, which is vivid and specific where the academic literature is dry. It is on this list because it gave the field its working vocabulary. Two qualifications: the keystone habit concept is a useful organizing idea rather than an established finding, and Duhigg is a journalist rather than a researcher, which the book does not obscure.

Fogg has run a behavior research laboratory for decades, and this book presents the method he developed and tested through it. It covers his behavior model, in which a behavior occurs when motivation, ability and a prompt converge at the same moment, and the argument that motivation is the least reliable of the three and should be designed around rather than relied on, the technique of shrinking a behavior until it requires almost no motivation, anchoring the new behavior to an existing routine that reliably occurs, the deliberate use of immediate celebration to consolidate it, and troubleshooting when a habit does not take. What distinguishes it in this section is that the author is the researcher rather than a summarizer, and the method is built to survive low-motivation days. It is on this list because most attempts fail on those days. Two notes: the tone is relentlessly upbeat, and Fogg sells training and certification in the method.

Rubin approaches habit change through the observation that the same method suits people very differently, and the book is organized around identifying which approach fits a given person. It covers her four tendencies framework, which sorts people by how they respond to outer and inner expectations, the distinctions she draws between people who do better abstaining entirely and those who moderate, between those who prefer starting fresh and those who prefer building gradually, and between morning and evening types, then the practical strategies of monitoring, scheduling, accountability, convenience and safeguards against lapse. What distinguishes it in this section is the refusal to prescribe one method, which explains why a technique that transformed one reader does nothing for another. It is on this list because that variation is real and rarely acknowledged. Three qualifications: Rubin holds no research credential, the four tendencies framework is her own construction and has not been validated, and she sells assessments and courses based on it.

Milkman runs large-scale behavior change trials, often with tens of thousands of participants, and the book reports what those trials found. It covers the fresh start effect and the moments when people are most receptive to change, impulsivity and the technique of temptation bundling in which a desired activity is made available only alongside a difficult one, procrastination and commitment devices, forgetfulness and cue-based planning, the influence of confidence and of advice-giving on the adviser, conformity and the use of social norms, and the distinction between behaviors that should become habits and those better left flexible. What distinguishes it in this section is scale: the recommendations rest on field experiments rather than laboratory studies, which changes their reliability. It is on this list because most of this literature does not have that. Two notes: several interventions have modest effect sizes, which the book reports honestly, and it is organized by obstacle rather than as a program.

Prochaska and DiClemente developed the transtheoretical model, which describes change as a sequence of stages rather than a single decision, and this book presents it for general readers. It covers the six stages of precontemplation, contemplation, preparation, action, maintenance and termination, the observation that most self-help fails because it offers action-stage techniques to people who are not yet at that stage, the processes matched to each stage including consciousness-raising, emotional arousal, commitment, countering, environment control and reward, the handling of relapse as an expected part of the cycle rather than a failure, and applications to smoking, drinking, weight and distress. What distinguishes it in this section is the stage concept, which explains why good advice given at the wrong moment is wasted. It is on this list for that. Two qualifications: the model's stages have been criticized as arbitrary divisions of a continuum, and stage-matched interventions have produced mixed trial results.

This is the standard reference of health behavior theory, used in public health training and revised across successive editions. It covers the major theoretical models in turn with their evidence and their limitations: the health belief model, the theory of planned behavior, the transtheoretical model, social cognitive theory, self-determination theory, stress and coping frameworks, and the ecological models that place individual behavior inside social and physical environments, followed by chapters on interpersonal and community-level theories, diffusion of innovations, communication, and the application of all of it to intervention design, tailoring and evaluation. What distinguishes it in this chapter is comparative rigor: it sets the models against one another and reports how much variance each actually explains, which is generally less than their advocates suggest. It is on this list because the popular books adopt one framework without acknowledging the others. Two notes: a professional text assuming public health background, and the current edition should be used.

Dweck distinguished between believing ability is fixed and believing it can be developed, and this book made that distinction one of the most widely applied ideas in education. It covers the two mindsets and their behavioral consequences, the response to failure that each produces, the effects of praising ability rather than effort, applications to schooling, sport, business and relationships, and the argument that the belief itself is changeable. What distinguishes it is reach: few psychological constructs have been adopted this widely. It is on this list because a reader will meet the framework constantly and should know its current standing. That standing has changed substantially. Large preregistered replications and a national trial found real but small effects, concentrated among lower-achieving students, far below the transformative results the popular reception implied. Dweck has acknowledged that the concept was widely misapplied, particularly the false growth mindset that praises effort regardless of strategy.

Duckworth proposed grit, the combination of sustained passion and perseverance toward long-term goals, as a predictor of achievement independent of talent, and this book presents that research. It covers the original studies at West Point and the National Spelling Bee, the grit scale and what it measures, the argument that effort counts twice in producing achievement, the development of interest and the role of deliberate practice, purpose as a sustaining element, hope and its relationship to persistence, and the cultivation of grit in children and organizations. What distinguishes it in this section is that the question it asks, why some people sustain effort over years, is the right one for a health behavior reader. It is on this list for that. Two qualifications that matter: meta-analysis has found grit correlates so strongly with the established personality trait of conscientiousness that its independent predictive value is doubtful, and its correlation with performance outcomes is modest. Duckworth has engaged with these criticisms publicly.

Miller and Rollnick developed motivational interviewing, a method of conversation that elicits a person's own reasons for change rather than supplying reasons from outside, and this is its definitive statement. It covers the underlying spirit of partnership, acceptance, compassion and evocation, the four processes of engaging, focusing, evoking and planning, the recognition and strengthening of change talk as distinct from sustain talk, the handling of ambivalence which is treated as normal rather than as resistance, the counterproductive effect of the righting reflex in which an adviser argues for change and the person argues back, and the transition to planning and commitment. What distinguishes it in this section is that the method has substantial trial evidence across health behaviors. It is on this list because anyone helping another person change, including a clinician, coach or family member, will do it better having read this. Two notes: it is written for practitioners, and the skills require practice rather than reading.

Baumeister proposed that self-control operates as a limited resource depleted by use, and this book presented that research to a general audience along with practical implications. It covers the ego depletion experiments and the argument that acts of self-control draw on a common reserve, the relationship the authors proposed between glucose and self-control, the effects of decision-making on subsequent restraint, the use of precommitment, monitoring and habit to reduce demands on the resource, and applications to dieting, parenting and work. What distinguishes it in this section is influence, since ego depletion shaped a decade of popular writing about discipline. It is on this list because a reader will meet the model constantly. The qualification is central. A large preregistered multi-laboratory replication failed to find the depletion effect, subsequent meta-analyses correcting for publication bias have estimated it at close to zero, and the glucose account is not supported. The practical recommendations about precommitment and habit survive; the theory behind them does not.

Ryan makes his third appearance in the collection, here as editor of the broadest available survey of motivation research. It covers the biological substrates including the dopaminergic systems underlying reward and wanting and the distinction between wanting and liking, the cognitive approaches covering goals, expectancies, control beliefs and implementation intentions, the major contemporary theories set beside one another including self-determination, self-efficacy, achievement goal, terror management and regulatory focus, motivation in specific domains including health behavior, education, work, sport and relationships, and the applied question of how motivation is supported or undermined by institutions. What distinguishes it in this chapter is breadth without allegiance: the competing theories are presented by their own proponents and the reader can see where they conflict. It is on this list because the popular books each adopt one framework as though it were the field. Two notes: a research reference assuming psychology, and the 2012 edition predates some of the replication reassessments.

Eyal wrote an earlier book teaching technology companies to build habit-forming products, and this one addresses the consequences from the user's side. It covers the argument that distraction begins with internal discomfort rather than with the device, techniques for identifying and sitting with that discomfort, timeboxing in which time is allocated to values rather than to tasks, the removal of external triggers across phone, desktop, email, meetings and open offices, precommitment devices including effort pacts and price pacts, and applications to workplaces, children and relationships. What distinguishes it in this section is the internal trigger argument, which explains why removing an app frequently produces substitution rather than focus. It is on this list because attention is the environment most readers actually inhabit. Three qualifications: Eyal holds no research credential, the position that technology design is not the primary problem has been contested by other writers in the field, and he consults for technology companies.

Newport argues that the useful question is not how to use technology less but which technologies earn their place, and the book supplies a method for deciding. It covers the attention economy and the deliberate engineering of compulsive use, the case that small optimizations fail and that a reset is required, a thirty-day removal of optional technologies followed by a deliberate reintroduction of only those that serve a value, the cultivation of solitude and the evidence on its absence, the distinction between connection and conversation in maintaining relationships, the recovery of high-quality leisure including physical and craft activity, and the practical mechanics of leaving social platforms. What distinguishes it in this section is the reintroduction step, which distinguishes it from abstinence approaches that fail on resumption. It is on this list because the technology environment now determines how much time exists for everything else in this collection. Two notes: the evidence is used illustratively rather than assessed, and the prescription is demanding by design.

Wendel builds products intended to change behavior and this book is the practical methodology for doing so. It covers the decision-making research relevant to design including habitual, intuitive and deliberate routes to action, the identification of a specific target behavior rather than a vague outcome, the mapping of every step a person must complete and the systematic removal of obstacles at each, the design of interfaces that support action rather than merely inform, the ethics of designing for someone else's behavior, and the measurement of whether an intervention worked including experimental design and the interpretation of results. What distinguishes it in this section is the emphasis on measurement, since most behavior change design is never evaluated and much of it does nothing. It is on this list because the same method applies to a person designing their own systems. Two notes: it is written for product teams and the examples are commercial, and it assumes some comfort with data.

Norman established the modern discipline of usable design, and this book explains why some objects are effortless and others require memory and instruction. It covers affordances and signifiers, the visible properties that indicate what an object permits, conceptual models and the trouble caused when the user's model differs from the designer's, mapping between controls and effects, feedback and its timing, constraints that prevent error, the classification of human error into slips and mistakes and the design responses to each, and the argument that blaming the user is almost always a design failure. What distinguishes it in this section is the reframing: applied to health behavior, a person who repeatedly fails to do something is often operating a badly designed system rather than lacking character. It is on this list for that reframing. Two notes: the examples are drawn from objects and interfaces rather than health, so the reader does the translation, and it is long.

This is the reference work on the social determinants of health, covering how position, environment and relationships produce disease. It covers the historical and theoretical foundations of the field, then the determinants in turn: socioeconomic position and the gradient that persists at every level rather than only at the bottom, income inequality, racism and discrimination, working conditions and job control, social networks and support with the mortality effects of isolation, social capital, neighborhood and housing, and the life course accumulation of advantage and disadvantage, followed by the methodological chapters on causal inference from observational data. What distinguishes it in this chapter is proportion: it shows how much of health behavior is determined by circumstances a person did not choose, which the individual-level literature in this chapter almost entirely omits. It is on this list because a reader failing to change should know how much of the difficulty is structural. A research reference assuming epidemiology and statistics.

Guise built a method around behaviors made so small that refusing them is harder than doing them, and this short book presents it. It covers the argument that motivation is unreliable and willpower expensive, so the requirement should be reduced until neither is needed, the setting of daily minimums that seem absurdly small such as a single push-up or fifty written words, the distinction between the required minimum and whatever is actually done, which is usually more, the removal of any expectation of overachievement so that the minimum remains genuinely non-negotiable, and the tracking and scheduling of the resulting habits. What distinguishes it in this section is the emphasis on never raising the stated minimum, which preserves the reliability that makes the method work. It is on this list because it is the most usable answer for readers who have failed repeatedly at ordinary-sized commitments. Two notes: Guise holds no research credential and the book is self-published, and the method builds consistency rather than volume.

Hardy holds a doctorate in organizational psychology and argues that reliance on personal discipline is a design failure rather than a virtue. The book covers the case that willpower is exhausted by the environments most people occupy, the deliberate construction of enriched environments that make the desired behavior likely and the undesired one difficult, the use of public commitment and financial stakes to make retreat costly, the practice of periodically removing oneself from ordinary surroundings to reset, sleep and recovery as preconditions rather than optional additions, and the role of forcing functions and deadlines. What distinguishes it in this section is the treatment of accountability as something to be engineered rather than felt. It is on this list because commitment devices have reasonable evidence behind them and are underused. Two qualifications: the book leans on ego depletion research that has since failed replication, though its practical conclusion survives the loss, and the anecdotal material is used more heavily than the research.

McGonigal developed this method while recovering from a concussion that left her unable to work, and it applies the structure of games to difficult personal change. The book covers the psychological research on what games provide, including clear goals, immediate feedback, tolerable failure and voluntary difficulty, then the method itself: adopting a challenge, identifying obstacles as adversaries, recruiting allies, collecting small activating actions she terms power-ups, and completing quests that advance the goal, together with the research on post-traumatic growth and on the effects of the method in two controlled trials. What distinguishes it in this section is the reframing of setbacks as expected features rather than evidence of failure, which addresses the abandonment that follows a lapse. It is on this list because that abandonment, rather than the lapse itself, ends most attempts. Two qualifications: the supporting trials were small and conducted by the author's collaborators, and the framing will not suit every reader.

Prochaska makes his second appearance applying the stages of change specifically to health behaviors and to maintenance. The book covers the six stages restated for a reader working alone, then the application to each of the behaviors that account for most preventable disease: smoking, alcohol, inactivity, diet, stress and adherence to medication, with the processes matched to a person's current stage for each, and a treatment of what maintenance actually requires, including the recognition that maintenance is a stage with its own tasks rather than a period of doing nothing. It covers relapse as an expected part of the cycle and the recovery from it. What distinguishes it in this section is the attention to maintenance, which the popular literature treats as the end of the story rather than as the longest part of it. It is on this list for that. Two qualifications: the stage model has been criticized for dividing a continuum arbitrarily, and stage-matched interventions have produced mixed results in trials.

Marlatt developed the relapse prevention model, which reframed lapse as a predictable event to be planned for rather than a moral failure, and this volume is its definitive statement. It covers the cognitive-behavioral model of relapse including high-risk situations, coping responses and self-efficacy, the abstinence violation effect in which a single lapse triggers abandonment because it is interpreted as proof of failure, the identification of personal high-risk situations and the rehearsal of responses, lifestyle balance and the substitution of positive activities, mindfulness-based approaches to craving, and applications across alcohol, tobacco, other substances, gambling, eating and sexual behavior. What distinguishes it in this chapter is that it takes maintenance as its whole subject, which no other title here does. It is on this list because the abstinence violation effect describes what happens to a reader who misses three days and stops entirely, which is the commonest ending to a change attempt. A clinical reference assuming psychological training.