In part one of this two-part series, Dr. Stacey Clardy and Dr. John Ney break down the key message neurologists need to understand from this update and offer guidance on how to clearly convey it to patients. Show citation: Ney JP, Steinmetz JD, Anderson-Benge E, et al. US Burden of Disorders Affecting the Nervous System: From the Global Burden of Disease 2021 Study. JAMA Neurol. 2026;83(1):20-34. doi:10.1001/jamaneurol.2025.4470 Show transcript: Dr. Stacey Clardy: Hi, this is Stacey Clardy from the Salt Lake City VA in the University of Utah. I've been talking with John Ney from Yale about a global burden of disease analysis showing that disorders affecting nervous system health are the leading cause of disability in the United States. This is probably not too surprising to any neurologist, but very important that they rigorously went through to prove what we experience in clinics. So John, for the Minute, when neurologists do hear it though, when they hear it out loud that more than half of the US population is affected by neurologic conditions, we're still a little skeptical. That's one in two, right? What's the single most important thing we need to understand about how that number was calculated and how to communicate it to our patients and our communities? Dr. John Ney: It's not just the sum of all conditions added up and then translated into the entire population. It's really looking at unique persons with a condition affecting the nervous system. And certainly our top two are tension type headache and migraine, but then we also get into diabetic neuropathy with 17 million individuals, stroke and Alzheimer's with six million and five million respectively. So individuals, unique persons may have more than one of these conditions, but 180 million or more persons in the United States or 54% of the population actually has at least one of these conditions. Dr. Stacey Clardy: So important that we understand this, these numbers. This matters to our patients when we're explaining it to them. Sometimes they feel alone, but this really also matters when we're talking about what we need for our patients as neurologists, more research, more resources. If you want to learn more, listen to the full-length podcast. We get into the discussion, even breaking it down by states and conditions, and a bit more of the health economics and what informs these numbers. And also check out the paper in JAMA Neurology. It's titled US Burden of Disorders Affecting the Nervous System from the Global Burden of Disease 2021 Study.

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