As far as DNA testing, we're just at the beginning of that universe. Pretty soon, though, we'll know whether someone is predisposed to cancer, alcoholism, obesity, baldness and who knows what else.
Bald as the bare mountain tops are bald, with a baldness full of grandeur.
The worst thing baldness causes is loneliness.
Sometime in the future, I think baldness will be a choice rather than something you have to suffer. Any bald people will have chosen to be bald.
I'm not bald. I'm just taller than my hair.