Are you ready for a nerdy deep dive into the brain differences (and similarities) with ADHD and Anxiety? ADHD and anxiety share a ton of symptoms: racing thoughts, sleep problems, worry about forgetting something, and fidgety hands. But while they have a lot of the same symptoms, they do have some fundamental underlying differences in what's going on in the brain, and a lot of it has to do with Executive Function... so let's dive in and figure it out.