Why Are You Right-Handed? The Surprising Link Between Walking and Your Brain

Why Are You Right-Handed? The Surprising Link Between Walking and Your Brain

Featured paper: Bipedalism and brain expansion explain human handedness [https://doi.org/10.1371/journal.pbio.3003771]* *Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*

The Silent Stress: How Sounds You Can’t Hear Might Be Messing with Your Mood

Featured paper: Infrasound exposure is linked to aversive responding, negative appraisal, and elevated salivary cortisol in humans [https://doi.org/10.3389/fnbeh.2026.1729876] Ever felt uneasy in a perfectly normal room? In this episode we break down a surprising lab study that shows how invisible low-frequency sound—called infrasound—can spike cortisol, sour your mood, and even make music feel sad. Learn where this "silent pollution" hides in buildings and cities, how your body senses it without conscious hearing, and practical fixes to reduce hidden stress in everyday spaces. Tune in to find out why the hum you don’t hear might be messing with your mind. *Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*

The "Traffic Jam" in Your Legs: A New Way to See Muscle Health

Featured paper: Dual Quantification of Skeletal Muscle Perfusion and Metabolism in a Porcine Model of Peripheral Artery Disease Using Multiparametric 18F‑FDG PET Imaging [https://doi.org/10.1007/s11307-026-02106-8] *Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*

The Gut’s Secret Fingerprints: Why Is Colon Cancer Rising in Young People?

Featured paper: Geographic and age variations in mutational processes in colorectal cancer [https://doi.org/10.1038/s41586-025-09025-8] Colon cancer was once an "old person's disease," but rates in young adults are skyrocketing—doubling in just 20 years. In this eye-opening episode, we dive into groundbreaking research from Nature that uncovers how gut bacteria producing colibactin leave DNA "fingerprints" on tumors, giving cancer a deadly head start early in life. From mutational signatures to global mysteries, explore the shocking role of your microbiome in this rising threat and what it means for prevention. Tune in to learn why protecting your gut could save lives!*Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*

Your Morning Brew is Talking to Your Brain (and Your Gut)

Featured paper: Habitual coffee intake shapes the gut microbiome and modifies host physiology and cognition [https://doi.org/10.1038/s41467-026-71264-8] Ever wondered how your morning coffee does more than just wake you up? In this episode, we dive into a groundbreaking study on the microbiota-gut-brain axis, revealing how coffee reshapes your gut microbiome to influence mood, memory, impulsivity, and stress. From the surprising benefits of decaf to the trillions of tiny organisms in your gut, discover the science behind why your brew might be talking to your brain—and your belly. Tune in for a caffeinated chat on functional foods and the hidden powers of your daily cup!*Disclaimer: This content was generated by NotebookLM and has been reviewed for accuracy by Dr. Tram.*