Digital dementia is no longer science fiction. Renowned physician Dr. Martin Jan Stránský reveals shocking evidence from brain scans and international studies that prove how screens and artificial intelligence are damaging the connectivity of the brain, intelligence, and mental health of children within just a few minutes of daily use. Learn the urgent truth from his latest interview before it's too late for the next generation.
In a compelling and urgent interview for the podcast FirstClass, Czech physician Dr. Martin Jan Stránský issues a warning: humanity is facing the end of life as we know it due to digital technologies, with the turning point occurring within just a few years. Based on his updated book and global medical insights, Jan Stránský focuses on the catastrophic impact of screens and artificial intelligence on developing brains, especially in children and adolescents.
Jan Stránský points out compelling evidence from recent anatomical and neurochemical studies that show how brain connectivity is deteriorating directly proportionally to the time spent in front of screens or with artificial intelligence. "There are studies that are so overwhelming that they now measure the anatomical structure of the brain, mainly in children, and observe certain changes not only in children but also in adults in what is called 'connectivity,' i.e., connections," he says. These changes appear in both neurochemical and anatomical models, with the brain literally ceasing to function optimally.
As a physician, he has a clear approach: "My role as a doctor is to assume the worst and let someone disprove it, but I will protect my patients. In this case, my patients are mainly children and adolescents, but it affects all of us." He notes that the problem flows in both directions – from bottom to top from children and from top to bottom from the first generation of parents who have largely ceased to effectively care for their children, leading to a social crisis in the form of dysfunctional families.
International studies involving over 160,000 students from 60-80 countries confirm a direct link between screen use and a decline in intelligence, reading and writing skills, and test scores. Even digital tools used in schools are harmful: "Digital education as such is complete nonsense." Research, including confirmation from the Karolinska Institute, shows that even just half an hour of daily computer learning undermines traditional face-to-face teaching based on dialogue, writing on paper, and human interaction. "First, we must learn how our brain works," Jan Stránský insists.
Social networks further exacerbate the damage by disrupting the balance of dopamine and serotonin, leading to a 30-40% increase in anxiety and depression directly related to the time spent in front of screens. Experts like Professor Horáček openly link social media with mental health crises among young people. The first clinical step that Jan Stránský takes with affected young patients is digital detox – limiting or completely eliminating mobile phones – even before considering any medication. "There hasn't been a single case where the condition didn't improve significantly," he says.
The message for a global audience is energetic and clear: Protect developing brains now by delaying screen use until the ages of 13-15, prioritizing real-world interactions, and demanding better guidance from both parents and educational institutions. If we do not act, digital dementia will irreversibly change the cognitive future of humanity. Evidence from neuroscience requires us to regain control before a complete breakdown of connectivity occurs.
Continued tomorrow
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You can watch the entire interview (in Czech) here: