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Our Georgian and Victorian ancestors probably celebrated Christmas with more modest wine consumption than we do today – if the size of their wine glasses are anything to go by. Researchers at the ̽»¨Ö±²¥ of Cambridge have found that the capacity of wine glasses has increased seven-fold over the past 300 years, and most steeply in the last two decades as wine consumption rose.

Selling wine in larger wine glasses may encourage people to drink more, even when the amount of wine remains the same, suggests new research from the ̽»¨Ö±²¥ of Cambridge. In a study published today in the journal BMC Public Health, researchers found that increasing the size of wine glasses led to an almost 10% increase in wine sales.