ADHD is not a farce. It is the result of a deficiency of a specific brain neurotransmitter called norepinephrine. In this video, learn more about how the ADHD brain and nervous system function, and why it’s sometimes so difficult to diagnose and treat symptoms. Learn more about the ADHD brain: https://www.additudemag.com/adhd-neuroscience-101/ Related Resources 1. Self-Test: Could You Have ADHD? https://www.additudemag.com/adhd-symptoms-test-adults/ 2. Free Download: Secrets of the ADHD Brain https://www.additudemag.com/download/secrets-of-the-adhd-brain/ 3. Read Next: Everything You Never Knew About the ADHD Brain https://www.additudemag.com/adhd-brain-prefrontal-cortex-attention-emotions/ Subscribe to the ADDitude YouTube Channel: https://www.youtube.com/channel/UC_3d1NVczqxa-cQzFt2iVSw Visit the ADDitude web site: https://www.additudemag.com Follow ADDitude on Facebook: https://www.facebook.com/additudemag/ Follow ADDitude on Instagram: https://www.instagram.com/additudemag/ Follow ADDitude on Twitter: https://www.twitter.com/ADDitudeMag/