Double dipping: the new challenge for health and safety

BMJ 2008; 336 doi: (Published 07 February 2008) Cite this as: BMJ 2008;336:297
  1. Fred Kavalier
  1. 1London

    The pervasive influence of evidence based medicine is about to invade tapas bars and cocktail parties.

    Scientists from Clemson University in South Carolina have discovered that double dipping, the practice of dipping a single tortilla chip into the guacamole more than once, is a good way to transfer bacteria from one person to another.

    Double dipping first came to prominence in the 1990s in the US television series Seinfeld. A character in the series is confronted with …

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