[stevepeg]

> But The Times found that the combination of six-day workweeks and round-the-clock schedules has caused controllers to develop physical and mental health problems. Many avoid seeking professional help because doing so might jeopardize the medical clearances they need to work.

This is happening frequently to pilots and cabin crew as well, all over the world. Regulators have allowed a lot of flex in rostering in recent years, maybe a bit too much.