Managing three teenagers and a business gives someone gray hair by the time they're forty.

He gets gray hair from staying up late studying for exams every night.

My sister has gotten grey hair from staying up late to finish her medical residency rotations.

Working around the clock on the project gives someone grey hair, but finishing it is worth the stress.

The relentless deadlines at the startup gave someone grey hair.

All the late nights and constant worry had given someone grey hair, and that someone turned out to be me.

The gruesome details of the crime scene will make someone's hair curl.

At the annual retreat, one lets one's hair down and forgets about the office for a while.

There's nothing wrong with letting one's hair down after a stressful week.

The pediatrician explained that Menkes kinky hair syndrome is a rare genetic disorder affecting copper metabolism.