Dr. Walter on Instagram: "🧠 What Is ADHD? 🧠 By @dr.waltermd 🩺 ADHD — Attention-Deficit/Hyperactivity Disorder — isn’t about being lazy or distracted. It’s a real difference in how the brain manages focus, motivation, and self-control. Here’s what actually happens: 1️⃣ Brain Chemistry Shift – Lower dopamine levels make the ADHD brain crave stimulation and instant reward. 2️⃣ Focus Swings – It’s not about “no focus.” It’s about uneven focus — zoning out on one task, then hyper-locking on anothe