Is your daily routine ruining your health? Is THIS habit silently triggering dementia? Vitamin D Expert Dr. Roger Seheult reveals how sunlight exposure, caffeine intake, and sleep can impact cancer risk, accelerate dementia, and fry your dopamine brain! Dr. Roger Seheult is a world-leading doctor in internal medicine, lung health, critical care, and sleep medicine. As co-founder of MedCram, he’s helped millions understand how vitamin D, sunlight, mitochondria, and circadian rhythms impact disease, brain health, and longevity.