The International Headache Society (IHS) is a London-based charity membership organisation that was founded in 1981 for those with a professional commitment to helping people affected by headache disorders and facial pains.
[1] In 1994, the IHS was incorporated in England and Wales as a Company Limited by Guarantee and then registered as a charity in 1995.
[1] The current President is Professor Cristina Tassorelli, who is a full professor and Chair of Neurology, Director of the Neurology Residency Program and Director of the Department of Brain and Behavioral Sciences at the University of Pavia.
[3] The International Headache Congress (IHC) is a biennial event that is organized by the IHS and hosted by a national member society.
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