> Defining this real variation as disordered seems a fundamental problem. It's a problem that's been recognized in medicine for a very long time. That's why fo

> Defining this real variation as disordered seems a fundamental problem. It's a problem that's been recognized in medicine for a very long time. That's why formal definitions of terms like disease and disorder usually aren't based solely on variation, and include a requirement that something actually interferes with a person's ability to function.