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Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

Halcyon's 52:52:52 campaign on Twitter will help you address 52 issues with 52 responses over 52 weeks.

To be a catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they control it, wish to influence its direction - Theodore Zeldin

Alcohol

What's Changing? - Addiction

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Please see below selected recent addiction-related change.

 

See also: Halcyon Addiction Headlines

 

March 2019

  • The Economist pointed to a study showing that regular use of potent cannabis, with levels of tetrahydrocannabinol above 10%, increases the risk of developing psychosis five-fold. The study, which looked at weed smoking in a group of patients newly diagnosed with psychosis, formed part of a growing body of evidence linking cannabis use to mental-health problems in Europe. In London, 30% of new cases of psychosis in the study were reckoned to be linked to strong cannabis.

 

February 2019