A casino patron exhales vapour from an e-cigarette in Las Vegas. A study carried out by the internationally regarded Cochrane Library has found a third of long-term smokers were able to cut their cigarette consumption in half by using e-cigarettes. Photograph: Sandy Huffaker/New York Times

Electronic cigarettes are as effective as nicotine patches in helping smokers to quit the habit, according to international research.The study, carrie(...)

Health workers  take part in a pre-deployment training as first clinical trials announced for December. Photograph: Salvatore di Nolfi/EPA

Clinical trials of three potential Ebola treatments will begin in December in Guinea and Liberia at medical centres run by Medecins Sans Frontieres, t(...)

 Nobel Prize winner US Professor John O’ Keefe speaks to reporters after winning the award for Physiology or Medicine during a press conference in London. Photograph: Facundo Arrizabalaga/EPA 0:51

A son of Irish emigrants, Anglo-American professor John O’Keefe jointly won the 2014 Nobel Prize for medicine today with Norwegian couple May-Britt an(...)

Jan O’Sullivan: “The group was set up in order to give the appropriate amount of consideration to this very important issue”

Irish graduates enjoy the highest income return from their degrees of all member states in the OECD, a conference on third-level funding has heard.S(...)

Aidan Price of Bohemians with David McMillan, then of St Patrick’s Athletic, after a clash of heads at Richmond Park, Dublin. Photograph: Inpho/Donall Farmer

What happens when two heads collide on a hurling, rugby, soccer or other sports pitch? The human skull is particularly resistant to shocks and hard(...)

Rough: close-up of 3D-printed surface

Is 3D printing smooth enough to make lightweight parts for use in space? The European Space Agency wants to find out.“Extremely complex parts can be p(...)

The international study found suicides increased fourfold greater among men than women during the recession, widening the pre-existing gaps. Photograph: Thinkstock

The global economic crisis has been linked to the deaths of at least 10,000 people by suicide across the developed world, a new study has claimed. Re(...)

Department of Health secretary general Ambrose McLoughlin has said the current generation of parents could be the first to “bury our children” unless the problem of obesity is tackled. Photo: David Sleator/The Irish Times.

The obesity problem among young people is so bad that the present generation of parents may be the “first to bury our children”, Department of Health (...)

Job loss, home repossession and debt are the main risk factors leading to suicide during economic downturns, the authors of a new study of the impact of the recession on suicide rates has said.

The recent recession may have led to thousands of extra suicides, researchers have said.The financial crisis has been linked to more than 10,000 peopl(...)

Michael Proffitt, the new chief editor of the Oxford Eng- lish Dictionary, in his offices at Oxford University Press in England. Photograph: Andrew Testa/The New York Times

To compile a dictionary of nearly every word in the English language was an endeavour typical of Victorian times, complete with white-bearded gentleme(...)