In U.K., Bigger Wine Glasses for Bigger Thirsts that Wine glasses started to be tailored in shape and size for different wine varieties, both reflecting and contributing to a burgeoning market for wine appreciation, where larger glasses were considered important. But, as Dr. Marteau’s report notes, the smallest size "is often absent from England’s wine lists or menus," despite British regulations requiring bars and restaurants to "make customers aware of these smaller measures." Just one large glass, by contrast, represents one-fifth of "the weekly recommended intake for low-risk drinking," the report said. 14, 2017 LONDON — It may not surprise anyone who has observed binge-drinking in pub-culture Britain on a Saturday night, but researchers at the University of Cambridge have produced historical evidence to suggest that, if the size of wine glasses is any guide, the British capacity to imbibe has soared since 1700, especially in the past couple of decades. "A further influence on wine glass size may have come from people running bars and restaurants, as well as their customers," Dr. Marteau’s study found.