Professor Colin Jones spoke to The Boston Globe about his book, the Smile Revolution in Eighteenth Century Paris (link is external), which assesses the smile in 18th century France. Prof Jones said: “The type of facial regime which is prevalent in France in the early 18th century is more negative about the smile. It tends to see the smile as a gesture of superiority over some misfortune, rather like laughter at that time is seen in very negative terms.” Full article in the Boston Globe (link is external).