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Coffee chain adds extra shot to many drinks

13 March 2012 Last updated at 08:08 GMT

A leading coffee shop chain in Britain is adding an extra shot to many of its drinks because, it says, customers are demanding a stronger cup.

Customers will now get two shots of espresso rather than one in lattes, cappuccinos and other coffee drinks.

Research suggests one in 10 people visit a coffee shop every day but are not necessarily getting the same caffeine hit.

The BBC's Jenny Hill reports.