British Chiropractic Association (BCA) v. Singh was an influential libel action in England and Wales, widely credited as a catalytic event in the libel reform campaign which saw all parties at the 2010 UK general election making manifesto commitments to libel reform and passing of the reformed law ‘Defamation Act 2013’ by the British Parliament on April 2013.The case was brought by the British Chiropractic Association against science author and journalist Simon Singh.