Following the merger of these not-for-profit medical peace organisations, Medact broadened its mission to include the health threats posed by climate change and economic inequality.

[3] Between 2001 and 2012, Medact produced a number of reports on the health impact of the war in Iraq.

[4] They have issued three reports and two shorter "updates", have defended the Lancet surveys of casualties of the Iraq War and, as part of the Count the Casualties campaign, have called for an independent investigation into increased mortality in Iraq.

[5] Medact has produced reports documenting the phenomenon of health worker migration from less economically developed nations to rich countries, which they describe as a "perverse subsidy".

[6] Medact also works on the health of refugees and migrants in the UK, in particular documenting and challenging barriers to healthcare.