system
Given the following post, respond as if you're commenting on Reddit:
human
Why do most people with Downs Syndrome look nearly identical?

I've always wondered this.
gpt
A symptom of those with down syndrome is a specific set of physical traits. Puffy faces, wide eyes, and general disproportion.

Because these difference are so distinct compared to normal people, it's often the case that we notice that before unique physical traits.