According to a recent study carried out at Norfolk and Norwich University Hospital, has concluded that our hair can’t turn white overnight.
(The study, called “Sudden Whitening Of The Hair: An Historical Fiction?” concluded that people’s hair, does not all of a sudden turn white. It just doesn’t. Hair whitening – “canities” in medical lingo – takes longer than days or even weeks. So all those stories of Queen Marie Antoinette of France and Sir Thomas More of England turning whitehaired the night before being beheaded are just historical urban myths. Or maybe the study just didn’t scare any of its subjects sufficiently.)