Computer scientist Keith Winstein is an expert in how computers communicate. Computer networks create what he calls shared fictions – abstract realities, like a website or a Zoom call, that exist only because the computers on either end agree to act as if they are real. Unfortunately, today’s networks lack a shared notion of a “computation,” which hurts market efficiency in cloud computing and frustrates efforts to hold tech companies accountable for the results of their algorithms. As computational power becomes concentrated in a smaller number of companies, Winstein advocates for a shared language of “computational truths,” defining computations precisely so results are reproducible and auditable. His research group hopes this will lead to greater transparency and accountability in the cloud and, ultimately, to greater confidence in the computations that companies do every day on our behalf. The truth matters, Winstein tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Keith Winstein, a professor of computer science and electrical engineering at Stanford University

(00:02:56) Why Choose Networking

The appeal of the shared digital “fictions” created by connected computers.

(00:04:22) The Internet’s Impact

The broader societal implications of networking technologies.

(00:05:35) Computational Truth

The concept of tracking how data is produced and verified.

(00:09:18) Misaligned Cloud Computing

How “pay for effort” models create inefficiencies in cloud systems.

(00:13:51) Determining Computational Truth

The need for verifiable computation that produces consistent results.

(00:18:19) Computations & Accountability

How identifying computations could improve trust in systems.

(00:20:56) Collaborating Online

Why latency challenges make online performance collaboration difficult.

(00:24:38) Real-Time Performance Systems

Creating a custom system for musicians to perform together online.

(00:28:00) Latency vs. Bandwidth

Why faster internet speeds don’t necessarily reduce delay.

(00:30:43) Eliminating Latency

How buffering layers in software create unnecessary delay.

(00:32:41) Balancing Audio Quality & Delay

The different trade-offs for musicians, actors, and audiences.

(00:34:20) Rethinking Computer Science Education

The need to bring playfulness and interactivity back into learning.

(00:35:46) The Xylophone-Based Class

Teaching computation through real-time sound and music.

(00:38:34) Future In a Minute

Rapid-fire Q&A: optimism, truth in computing, and innovation.

(00:41:01) Conclusion

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April is Earth Month, and in appreciation of the plant life all around us, we’re re-running a conversation we had with Beth Sattely last year on the future of plant chemistry. Beth reminds us that plants are more than food or pretty things to look at — they have the potential to help us fight climate change or even cancer. We hope you’ll take another listen and join us in learning more about how plants can positively impact environmental and human health.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Beth Sattely, a professor of chemical engineering at Stanford University.

(00:01:28) Path to Plant Metabolism

How chemistry and gardening led to a career in plant science.

(00:02:12) Environmental & Human Health

Using plants to improve both the planet and people’s well-being.

(00:03:11) Engineering Climate-Resilient Crops

Making crops more sustainable and nutritious amid global change.

(00:04:16) Old vs. New Crop Engineering

Comparing traditional breeding with modern molecular tools.

(00:06:22) Industry & Long-Term Food Security

The gap between short-term market goals and long-term environmental needs.

(00:07:31) Tomato Chemistry

Tomatoes reveal how plants produce protective molecules under stress.

(00:10:44) Plant “Vaccines” & Immune Signaling

How plants communicate threats internally and mount chemical defenses.

(00:12:32) Citrus Greening & Limonoids

The potential role of limonoid research on citrus greening.

(00:15:17) Plants Making Medicine

How plants like Yew trees naturally produce cancer drugs like Taxol.

(00:19:37) Diet as Preventative Medicine

Identifying plant molecules to understand their preventative health effects.

(00:22:54) Food Allergies & Plant Chemistry

Why the immune system tolerates some foods and rejects others.

(00:25:00) Understanding Tolerance in Immunity

Possibility of reintroducing tolerance through partial molecular exposure.

(00:26:20) Engineering Healthier Plants

Potential for designing plants to enhance micronutrient content.

(00:27:58) Training the Next Generation

Beth celebrates her students’ role in shaping a sustainable future.

(00:28:57) Conclusion

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Candace Thille is an authority in learning science, educational technology, and AI-enabled learning environments. She is closing the two-way gap between the science of learning research and the hands-on practice of instruction to help students learn better. Timely and targeted feedback with the opportunity to apply that feedback is critical to learning, Thille says, and this is an area where AI supporting humans excels. She imagines a day in the not-too-distant future when human educators and AI-enabled assistants unite to help students learn faster and better than ever before. Learning is not a spectator sport, and AI can help us engage with learners – and educators – in new ways, Thille tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Candace Thille, a professor of education at Stanford University.

(00:03:16) Path into Learning Science

How Candace became interested in improving how people learn.

(00:03:47) The Science of Learning

An overview of the field and why it’s still developing.

(00:04:42) Training Educators

How learning science is applied in teacher education.

(00:05:17) The Research to Practice Gap

Why insights from classrooms rarely feed back into research.

(00:06:43) Technology Supporting Teachers

Using AI and other technological tools to enhance teaching.

(00:09:00) The Open Learning Initiative (OLI)

The origins of one of the first large-scale digital learning systems.

(00:11:08) Learning with OLI

How feedback and structured practice improved student outcomes.

(00:13:14) Building OLI Across Disciplines

The collaboration between researchers, instructors, and engineers.

(00:14:36) The Accelerated Learning Study

Evidence that students can learn faster without sacrificing outcomes.

(00:18:02) Learning Science at Amazon

Applying learning science research to workplace education.

(00:22:29) Research as a Feedback Loop

Why teaching practice should continuously inform research.

(00:24:49) The Importance of Infrastructure

Using captured learning data to improve instruction at scale.

(00:25:37) Predictive AI for Learning Science

The applications of older AI models in learning science research.

(00:28:22) Generative AI as a Learning Interface

How generative AI can make education more accessible.

(00:31:01) The Myth of Learning Styles

The misconception that most people have different learning styles.

(00:33:30) Future In a Minute

Rapid-fire Q&A: new tools, data infrastructure, and supporting learners.

(00:35:24) Conclusion

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Legal expert Richard Ford studies the intersection of dress codes and the law. Clothing and hairstyles communicate power, identity, and social status, he says. Legal restrictions on dress stretch at least to the Middle Ages when “sumptuary laws” stipulated what one could wear by rank. Today, written rules have given way to unwritten codes that are in many ways more powerful culturally. Fashion is not trivial, he says, and no less worthy of study than high art or music. Clothing shapes everything, Ford tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Rich Ford, a professor of law at Stanford University.

(00:02:21) From Law to Fashion

Rich Ford explains the legal roots of dress code disputes.

(00:03:42) The Origins of Dress Codes

Sumptuary laws and how clothing signaled social hierarchy.

(00:05:06) Formal vs. Informal Dress Codes

The shift from written laws to social norms and cultural expectations.

(00:06:28) Teenagers & Self-Expression

How people push boundaries within strict dress codes.

(00:08:01) Masculine Renunciation

Why men abandoned flashy fashion in the 1700s.

(00:09:42) The Feminization of Fashion

The gender shift in clothing and style expectations.

(00:10:57) Controlling Dress Codes

The effectiveness and consequences of imposed dress standards.

(00:12:44) Hair, Identity, & Regulation

The cultural and legal significance of hairstyles in dress codes.

(00:14:40) Civil Rights & Clothing

How dress became a tool for dignity and resistance.

(00:18:29) Dressing for Respect

How lived experience shaped Rich’s interest in fashion

(00:20:40) Reverse Snobbery

Why dressing casually can function as a marker of social standing

(00:22:28) Gender Inequality in Fashion

How clothing has historically limited women.

(00:24:46) The “Midtown Uniform”

How informal norms create uniformity even in the absence of rules.

(00:26:03) Uniforms & Social Equality

The benefits and limitations of uniforms in educational settings

(00:27:44) The Future of Dress Codes

Why fashion won’t disappear but is becoming more casual.

(00:28:49) Future In a Minute

Rapid-fire Q&A: young people, time, and studying tailoring.

(00:30:10) Conclusion

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Epidemiologist Yvonne “Bonnie” Maldonado is an expert in vaccine research and public health. Look back centuries, and the story is always the same, she says: Death rates from viruses have plummeted, especially in children and the elderly. And yet, millions of children die each year from vaccine-preventable diseases. Vaccines need a return of public confidence, and that starts with better messaging and greater support of nongovernmental messengers like herself. The bottom line is that vaccines are safe, she says. Vaccines work and we have saved many lives because of them, Maldonado reminds host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your question. You can send questions to [email protected].

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Yvonne “Bonnie” Maldonado, a professor of pediatrics, epidemiology and population health at Stanford University.

(00:03:01) Career in Vaccines

Bonnie shares what led to her career in vaccine research.

(00:04:53) How Vaccines Work

How vaccines train the immune system to recognize and fight pathogens.

(00:06:46) Why Vaccine Responses Vary

The variability in immune responses and breakthrough infections.

(00:09:22) Risk vs. Benefit in Vaccines

How researchers evaluate side effects versus disease severity.

(00:11:53) How Viruses Evolve

The evolutionary dynamics that shape viral behavior.

(00:13:59) Vaccine Boosters

Why some vaccines last for life while others require multiple doses.

(00:17:14) Herd Immunity

How community protection works and why vaccination rates matter.

(00:21:22) Vaccine Controversy

The controversy surrounding vaccines and what led to it.

(00:24:27) Global Vaccine Hesitancy

How declining trust and past outbreaks influence vaccination globally.

(00:27:07) The Future of Vaccines

Why vaccines are essential and how outbreaks shape public response.

(00:29:08) Preparing for Future Pandemics

How healthcare systems prepare for new threats after COVID-19.

(00:30:43) Future In a Minute

Rapid-fire Q&A: hope, public trust, and the future of health.

(00:32:54) Conclusion

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For many of us, this coming weekend marks the start of Daylight Saving Time, when we “spring forward” and move our clocks ahead by an hour. While the extra evening daylight can be one of the joys of the summer months, the time change has been known to disrupt our sleep. 

Last year we sat down with neurobiologist Jamie Zeitzer, a leading expert on sleep, to talk about practical strategies for getting a better night’s rest. As we approach this transition, it’s the perfect time to revisit that conversation. We hope you’ll add this episode to your podcast queue and give it another listen this weekend.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Jamie Zeitzer, professor of psychiatry and behavioral sciences at Stanford University.

(00:02:01) Understanding Circadian Rhythms

How the biological clock regulates sleep and other body functions.

(00:03:45) The Mystery of Sleep’s Purpose

What is still unknown about the fundamental need for sleep.

(00:04:49) Light & the Circadian Clock

The impact light exposure has on the body’s internal sleep timing.

(00:07:02) Day & Night Light Contrast

The importance of creating a light-dark contrast for healthy rhythms.

(00:10:06) Phones, Screens, & the Blue Light

Whether blue light from screen use affects sleep quality.

(00:12:37) Defining & Diagnosing Sleep Problems

How stress and over-focus on sleep quality worsen insomnia.

(00:14:50) Sleep Anxiety & Wearables

The psychological downsides of sleep data from tracking devices.

(00:16:03) CBT-I & Rethinking Insomnia

Mentally reframing sleep with cognitive behavioral therapy for insomnia

(00:19:50) Desynchronized Sleep Patterns

Studying student sleep patterns to separate circadian vs. sleep effects.

(00:22:37) Shift Work & Circadian Misalignment

The difficulty of re-aligning circadian clocks in rotating shifts.

(00:25:14) Effectiveness of Sleep Medications

The various drugs used to promote sleep and their pros and cons.

(00:28:34) Circadian “Sleep Cliff” & Melatonin

The brain’s “wake zone” before sleep and the limited effects of melatonin.

(00:31:41) Do’s & Don’ts for Better Sleep

Advice for those who want to improve their sleep quality.

(00:33:44) Alcohol and Caffeine Effects

How metabolism influences the effects of alcohol and caffeine on sleep.

(00:36:13) Conclusion

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Heart disease should be treated just like cancer, says guest Mike McConnell, an author and expert in preventive cardiology at Stanford: Detect and stage early, then treat aggressively. In his practice, McConnell focuses on using low-dose CT imaging for detecting early coronary artery disease. He also helped pioneer the use of AI to infer cardiovascular risk from retinal scans. Such non-invasive, consumer-friendly tools could expand prevention, personalize therapy, and cut heart attacks and strokes across the board, he says. “Everybody also deserves a proactive preventive cardiologist in their phone,” McConnell tells host Russ Altman of the latest approaches to heart disease on this episode of Stanford Engineering’s The Future of Everything podcast.

Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your question. You can send questions to [email protected].

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• Stanford Profile: Michael V. McConnell, MD, MSEE

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Michael McConnell, a professor of cardiology at Stanford University.

(00:03:02) Reframing Heart Disease

Why coronary disease should be approached the same as cancer.

(00:05:46) Core Risk Factors

The key drivers of cardiovascular disease, and life’s essential eight.

(00:07:18) Coronary Artery Calcium Scoring

How low-dose CT scanning detects disease before symptoms develop.

(00:08:57) The Limits of Stress Testing

Why traditional stress tests often miss early coronary disease.

(00:10:18) AI in Cardiac Imaging

Using AI to identify hidden risks in routine chest scans.

(00:11:30) Retinal Imaging

How AI analysis of retinal blood vessels can predict heart disease risk.

(00:14:55) Detecting Risk Before Symptoms

Why retinal and vascular changes occur long before clinical signs appear.

(00:15:58) Staging Coronary Disease

Using calcium scores to stage coronary disease and personalize treatment.

(00:19:36) Direct-to-Consumer Prevention

The rise of mobile health records, wearable devices, and AI tools.

(00:22:23) Opportunities & System Challenges

Balancing accessibility, guideline-based care, and healthcare system capacity.

(00:25:26) AI-Powered Health Record Analysis

The potential of automated reviews to identify silent risk factors.

(00:27:41) Physician Adoption & System Friction

Barriers to integrating early detection tools into clinical practice.

(00:30:12) Advances in Treatment

Overview of current cholesterol therapies and plaque stabilization.

(00:33:31) Future In a Minute

Rapid-fire Q&A: prevention, implementation science, and future hopes.

(00:35:38) Conclusion

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Psychiatrist Jennifer Derenne specializes in eating disorders. Most eating disorders begin in adolescence, but they can appear much earlier – or later – in life, too. To begin healing, Derenne works with an interdisciplinary team to first stabilize and renourish her patients and uses evidence-based psychotherapy that incorporates strong family involvement. Recent clinical studies are exploring the use of psychedelics to open new avenues for treating these notoriously hard-to-treat illnesses. Eating disorders are a life-threatening medical condition, Derenne asserts, telling host Russ Altman that “food is the best medicine” on this episode of Stanford Engineering’s The Future of Everything podcast.

Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your question. You can send questions to [email protected].

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Jennifer Derenne, a professor of psychiatry and behavioral sciences at Stanford University.

(00:03:11) Studying Eating Disorders

Jennifer’s path from pediatrics to psychiatry and studying eating disorders.

(00:03:44) Types of Eating Disorders

A breakdown of the main diagnoses and what distinguishes them.

(00:04:59) Who Gets Eating Disorders?

The age ranges of those affected and when symptoms first appear.

(00:05:46) Disordered Vs. Normal Eating

Distinguishing common weight concerns from dangerous dysfunction.

(00:07:15) Treating Teen Eating Disorders

Why family involvement is crucial and treatment focuses on behaviors.

(00:08:56) Genetics & Social Media

The different risk factors that can contribute to disordered eating.

(00:10:08) Smartphones & Mental Health

The impact of smartphones on the development of coping mechanisms.

(00:12:32) Transitioning to College

Why mental health can destabilize during the move to independence.

(00:15:51) Treating Eating Disorders

The multidisciplinary approach to treating disordered eating.

(00:18:39) Supervision & Safety

The importance of supervision and medical follow-ups to help prevent relapse.

(00:21:03) AI in Adolescent Psychiatry

​​The pros and cons of AI tools in adolescent mental health support.

(00:25:21) The Limits of Medication

How medications often target comorbidities rather than the eating disorder itself.

(00:27:08) Psychedelics Research

Emerging studies on using psychedelics in the treatment of eating disorders.

(00:29:47) Future In a Minute

Rapid-fire Q&A: curiosity, treatment optimism, and becoming a book editor.

(00:31:48) Conclusion

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Spring is right around the corner and as the weather changes and things begin to bloom, that also means the onset of allergy season. Last fall, we sat down with Tina Sindher who shared that while allergies may be affecting more people worldwide, prevention is playing catch up. If you’re someone or know someone who lives with environmental or food allergies, we hope you’ll tune into this episode to hear some of Tina’s strategies for better managing these conditions.

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Tina Sindher, a professor of medicine and allergy at Stanford University.

(00:01:50) Inside the Immune Response

Why our immune systems trigger allergic reactions.

(00:03:31) Genes vs. Environment

Whether genetics or environment drive allergy risks.

(00:06:39) The Microbiome Factor

The role of the microbiome and early exposures in prevention.

(00:07:51) A Global Allergy Surge

How global allergy trends reveal rising health challenges.

(00:10:29) Potent Food Triggers

Why some foods cause stronger and faster reactions.

(00:12:23) Emerging Risks

Whether Alpha-Gal signals new emerging allergy risks.

(00:14:21) Multi-Food Allergies

How multi-food allergies complicate diagnosis and treatment.

(00:17:36) Preventing Allergies Early

Why early food introduction may help prevent allergies.

(00:19:28) Skin’s Role in Allergies

The importance of infant skin health in allergy development.

(00:22:13) Testing Limitations

The limits of current testing methods to truly diagnose allergies.

(00:23:47) Standard Testing Procedure

The current methodologies deployed when testing for allergies.

(00:26:02) New Therapies

How new therapies like OIT and Xolair are reshaping treatment.

(00:30:24) The Future of Allergies

The potential of combined therapies to aid in allergy treatment.

(00:33:07) Managing Seasonal Allergies

How to manage seasonal allergies effectively at home.

(00:35:41) Conclusion

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Chuck Eesley, a professor of management science and engineering, studies entrepreneurship across diverse contexts – from refugee entrepreneurs in Uganda to semiconductor startups navigating U.S.-China economic policy. His research on recent export controls revealed a counterintuitive outcome: Rather than solely strengthening U.S. semiconductor innovation, these policies accelerated Chinese investment in its own domestic chip industry, boosting startups there as much as – or more than – here. This finding underscores how global technology markets are deeply interconnected: Barriers can produce unintended consequences that accelerate innovation abroad rather than protecting it at home. Open technology trade and investment create larger markets for American innovations, strengthen collaborative partnerships, and demonstrate that interconnected markets drive progress for all participants. “Entrepreneurial talent exists everywhere,” Eesley tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.

Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your question. You can send questions to [email protected].

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• Stanford Profile: Charles (Chuck) Eesley

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Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Chuck Eesley, a professor of management and engineering at Stanford University.

(00:03:04) Why Study Entrepreneurship?

Chuck explains why entrepreneurs are drivers of modern economic growth.

(00:03:30) Defining Entrepreneurship

Broad vs. narrow entrepreneurship, from startups to large organizations.

(00:04:33) Institutional Environments

How policies and culture both shape entrepreneurial outcomes.

(00:05:44) Studying Institutions & Entrepreneurship

Measuring ​institutional shifts to isolate entrepreneurial outcomes.

(00:08:12) Founder & Talent Incentives

What’s needed for high-opportunity-cost talent to start companies.

(00:09:36) AI Entrepreneurship

The impact of data and compute concentration on startup dynamism.

(00:11:28) Designing AI Regulation

Historical examples of regulation enabling startups to compete fairly.

(00:13:43) Incentives Inside Big Tech

Why some incumbents support startups while others tilt the playing field.

(00:15:28) Ad Placement & Misinformation Funding

How digital advertising can unintentionally fund low-credibility content.

(00:21:24) Misinformation Market Solution

The disclosure mechanisms that may reduce misinformation incentives.

(00:25:23) Semiconductors & Entrepreneurship

The importance of startups in a field often dominated by large incumbents.

(00:29:30) Unintended Policy Effects

How U.S. policy may be accelerating Chinese semiconductor investments.

(00:31:09) Competing Industrial Policies

Why evaluation and iteration are essential for effective policy design.

(00:32:31) Global Entrepreneurship

Emerging entrepreneurship models spreading across regions and contexts.

(00:36:26) The Universal Entrepreneurial Mindset

Shared entrepreneurial traits across cultures, contexts, and countries.

(00:37:14) Future In a Minute

Rapid-fire Q&A: democratizing entrepreneurship, context, and equitable inclusivity.

(00:41:02) Conclusion

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Developmental psychologist Bonnie Halpern-Felsher specializes in teenage health-related decision-making, especially in their use of tobacco, alcohol, cannabis, and other substances. Young people, she says, value immediate social benefits over long-term risks. In response, she supports bans on flavored nicotine products and has developed nationally and internationally used evidence-based substance use prevention and intervention programs, including some that are culturally targeted, such as her vaping prevention curriculum in Hawaii zeroing in on popular flavors like mango and poi. The reward, she says, is reduced substance use and better mental health. “Talk to your kids. Don’t lecture. Have a conversation,” Halpern-Felsher tells host Russ Altman of the best way to break through on this episode of Stanford Engineering’s The Future of Everything podcast.

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Episode Reference Links:

• Stanford Profile: ​​Bonnie Halpern-Felsher
• Halpern-Felsher REACH Lab | Stanford Medicine

Connect With Us:

• Episode Transcripts >>> The Future of Everything Website
• Connect with Russ >>> Threads / Bluesky / Mastodon
• Connect with School of Engineering >>> Twitter/X / Instagram / LinkedIn / Facebook

Chapters:

(00:00:00) Introduction

Russ Altman introduces guest Bonnie Halpern-Felsher, a developmental psychologist at Stanford University.

(00:03:52) Focus on Youth Substance Use

Bonnie explains her focus on studying substance behaviors in adolescents.

(00:05:32) Current Trends in Youth Health

The mixed indicators across behavior and mental health in youth.

(00:08:46) Effective Health Communication

Why long-horizon risk messaging often underperforms in adolescents.

(00:11:16) Policy Translation & Advocacy

How Bonnie translates research findings into policy advocacy.

(00:13:54) School-Based Prevention Programs

An overview of evidence-based curricula and target age groups.

(00:15:04) Measuring Program Impact

The evaluation approaches and challenges of the prevention programs.

(00:16:41) Youth Dependence & Cessation

Why addiction develops quickly and the limited treatment options.

(00:18:18) Program Adaptation Across Contexts

How curricula are localized without redesigning core methods.

(00:21:00) Youth-Oriented Product Marketing

The strategies used by substance industries to market to youth.

(00:23:38) Cannabis Potency & Health Risk

The link between higher THC concentrations and medical outcomes.

(00:26:48) Patterns of Cannabis Use

The common modes of cannabis use and related exposure risks.

(00:28:10) Early Exposure & Prevention Needs

The reports of substance exposure and use at increasingly early ages.

(00:29:10) Guidance for Caregivers

Practical guidance for caregivers concerned about substance use.

(00:31:23) Future In a Minute

Rapid-fire Q&A: asking for help, substance regulation, and alternate degree.

(00:33:37) Conclusion

Connect With Us:

Episode Transcripts >>> The Future of Everything Website

Connect with Russ >>> Threads / Bluesky / Mastodon

Connect with School of Engineering >>>Twitter/X / Instagram / LinkedIn / Facebook

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