They are generally not painful, but they may itch or become irritated.

In fact, some of you might well know that the barber pole, the red and white stripes, represents the blood bandages of the barber surgeon, and the receptacles on either end represent the pots in which the blood was collected.

French barber surgeon Ambroise Paré was the first to describe different degrees of burns in the 1500s.

The campaign featured local celebrities replicating the iconic pose of Marilyn Monroe in her film The Seven Year Itch. The campaign poster can be seen on bus shelters and train stations.

So within a few years, in the late 1800s, early 1900s, all of a sudden, the barber surgeon had given way to the physician who was trying to make a diagnosis.

You, son of man, take a sharp sword You shall take it as a barber's razor to you, and shall cause it to pass on your head and on your beard then take balances to weigh, and divide the hair.

And thou, son of man, take thee a sharp knife, take thee a barber's rasor, and cause it to pass upon thine head and upon thy beard then take thee balances to weight, and divide the hair.

If you'll recall, prior to that time, no matter what ailed you, you went to see the barber surgeon who wound up cupping you, bleeding you, purging you.