Misrepresenting on medical applications

Dan Foster wrote:

I certainly understand why pilots generally feel they don't volunteer
anything not explicitly asked for -- reasonable enough, given how things
works in the real world. Just make sure one doesn't misrepresent any
materially important fact, I guess.

I continue to put down on my medical applications that my hair color is
"brown". Some day, the feds are going to catch up with me and then I'm
done for.