In this episode, my guest is Dr. Bonnie Halpern-Felsher, PhD, FSAHM. She is a professor of pediatrics and adolescent medicine and a developmental psychologist at Stanford University School of Medicine. Dr. Halpern-Felsher is a world expert in adolescent decision-making and risk-taking behaviors. She explains the huge increase in vaping (e-cigarettes) by young people. She explains why vaping nicotine and cannabis is particularly dangerous to the developing brain. We discuss the rise in vaping addiction, the unique social pressures and social media influences faced by youth that make quitting ch ..read more

This is episode 3 of a 6-part special series on sleep with Dr. Matthew Walker, Ph.D., a professor of neuroscience and psychology at the University of California, Berkeley, and leading public educator about the role of sleep in health, disease and performance.  We explain how our sleep architecture changes as we age. We also cover how childhood development and aging affect sleep biology and needs. We also discuss whether polyphasic sleep (multiple short sleep periods) is beneficial.  Then, we discuss naps, including their positive benefits, individual variability, those who should not ..read more

In this episode, my guest is Dr. David Yeager, Ph.D., professor of psychology at the University of Texas, Austin, and the author of the forthcoming book "10 to 25." We discuss how people of any age can use growth mindset and stress-is-enhancing mindsets to improve motivation and performance. We explain the best mindset for mentors and being mentored and how great leaders motivate others with high standards and support. We also discuss why a sense of purpose is essential to goal pursuit and achievement. Whether you are a parent, teacher, boss, coach, student or someone wanting to improve a skil ..read more

In this episode, I describe how your brain and body are fundamentally wired to perceive and respond to music and how those responses can be leveraged to improve your mood, allow for processing sad emotions and enhance learning and performance. I explain the data showing how music can increase motivation for cognitive or physical work, what specific music has been shown to enhance cognitive performance, and whether silence or music is more effective in enhancing focus while studying. I also discuss how specific musical pieces can rapidly reduce anxiety, as well as certain prescription medicatio ..read more

In this journal club episode, my guest is Stanford and Johns Hopkins-trained physician, Dr. Peter Attia, M.D., who is also the host of The Drive podcast and the author of the bestselling book "Outlive: The Science & Art of Longevity." We each present a scientific paper and discuss the findings' strengths, weaknesses and actionable takeaways. First, we discuss an article that addresses whether taking the drug metformin can enhance longevity. Then, we discuss an article on belief effects (similar to placebo effects), showing how the effects of a drug on the brain and cognition depend on one ..read more

In this episode, my guest is Marc Andreessen, the legendary software innovator who co-created the internet browser Mosaic, co-founded Netscape, and is now at Andreessen Horowitz — a venture capital firm that finds and brings to life technologies that transform humanity. We discuss what it takes to be a true innovator, including the personality traits required, the role of environment and the support systems needed to bring revolutionary ideas to fruition. We discuss risk-taking as a necessary but potentially hazardous trait, as well as the role of intrinsic motivation and one’s ability to navi ..read more

In this episode, I describe science-based protocols to set and achieve your goals in a way that maximizes the likelihood of reaching them. I explain how to define a priority and reach a specific goal by systematically assessing the challenge level, measurability, milestones, and action states needed to make progress from start to finish. I also explain research-supported tools to improve your performance during cognitive or physical goal work — including directed visualization, variable reward timing, and optimizing your physical environment. I also dispel common myths about goal setting and a ..read more

In this episode, my guest is Dr. David Linden, Ph.D., professor of neuroscience at Johns Hopkins University School of Medicine and the author of many popular books about the brain. We discuss individual differences between people — focusing on differences in how people sense the world around them and the roles that chance, heredity, and life experiences (even in utero) play in determining our physical and cognitive traits. We discuss the bidirectional connection between the mind and body and how our thoughts and mental practices (e.g., meditation and breathwork) impact our health. We also disc ..read more

In this episode, my guest is Dr. Rena Malik, M.D., a board-certified urologist and pelvic surgeon, male and female pelvic medicine expert, and public health educator. We discuss the major causes of and treatments for sexual and urologic dysfunction, including how to restore, maintain and enhance pelvic floor function and proper neural and vascular (blood) supply to the genitals. We also discuss what controls and can enhance desire and arousal, how to assess and treat erectile dysfunction, and challenges with vaginal lubrication and/or orgasm. We also discuss vaginal and penile health, includin ..read more

In this episode, I explain how ketamine causes rewiring of brain circuits and dissociative states to relieve symptoms of depression and post-traumatic stress disorder (PTSD). I explain how ketamine impacts both the brain’s glutamate and its endogenous opioid pathways, which together regulate mood and well-being. I discuss how ketamine therapy is used clinically to treat major depression, bipolar depression, obsessive-compulsive disorder (OCD), suicidality and other psychiatric challenges. I also describe how ketamine causes the subjective effects of dissociation and euphoria and, at higher dos ..read more