Related Episodes for How Social Media Reshapes Attention and Reward

“Activity in the default mode network (DMN), a group of interacting brain regions implicated in self-related thinking, rumination, and depression, is suppressed by psilocybin and other psychedelic substances.”

“Dr. Patrick describes increased shear as a possible way vigorous exercise can damage fragile circulating tumor cells; this is a proposed mechanism, not proof that a workout eliminates metastasis or treats an established tumor.”

“Sprint-interval exercise improved reaction time on selected executive-function tasks for about 10 to 30 minutes in a controlled study, supporting Dr. Patrick's practice of using a short workout before an early talk or demanding meeting.”

“Controlled human studies support acute brain-related responses to high-intensity exercise. Six short all-out cycling intervals improved selected learning and executive measures while increasing circulating BDNF, IGF-1, and VEGF; lactate tracked several of these changes.”

“Exercise can improve blood pressure, insulin sensitivity, triglycerides, and fitness, but someone with high ApoB or LDL may still need targeted diet changes and clinician-guided lipid-lowering treatment. Mood is another major benefit.”

“Timing matters when cold exposure follows resistance training. In a 12-week study of 21 men, ten minutes of cold-water immersion immediately after each session attenuated gains in strength and muscle mass and reduced selected anabolic signals.”

“Addressing the widespread issue of physical inactivity requires exploring strategies to encourage more people to engage in various forms of physical activity, including brief and intermittent activities.”

“Earlier long-term research in older male physicians found no cognitive benefit, and the main COSMOS trial did not significantly reduce invasive cancer, cardiovascular events, or mortality over a median of 3.6 years.”

“A dose-response meta-analysis of 30 prospective studies, including more than 1.18 million participants, associated each additional daily cup with about a 6 percent lower incidence of type 2 diabetes, with similar patterns for caffeinated and decaf coffee.”

“A systematic review found no overall improvement in mood after cold-water immersion, while a small randomized trial found that repeated whole-body cryotherapy improved depression scores when added to standard pharmacological treatment.”