The knowledge and relevance of nutrition as well as the demand for well-funded advices increase. The Cochrane Collaboration plays a leading role within the evidence-based medicine and practice. We ...

Evidence published in the Cochrane Library today will reassure people who want to stop smoking that quitting for at least 6 weeks may improve their mental wellbeing, by reducing anxiety, depression, ...

The Cochrane Library recently completed a review of “the comparative benefits, harms and tolerability of different smoking cessation pharmacotherapies and e-cigarettes, when used to help people stop ...

Newly updated Cochrane evidence published today in the Cochrane Library finds that electronic cigarettes containing nicotine could increase the number of people who stop smoking compared to nicotine ...

More than 5500 systematic reviews, at various stages of completion, are currently available in the Cochrane Library (www.cochrane.org) and 9000 systematic reviews are critically appraised for validity ...

From the hysteria that the very mention of comparative-effectiveness research (CER) triggers in some quarters, you'd think that studying which medical treatments work and which do not was one step ...

The wearing of masks to prevent the spread of COVID-19 and other respiratory illnesses had almost no effect at the societal level, according to a rigorous new review of the available research.

See also the essay by Cassels on page 1162 and at www.cmaj.ca/lookup/doi/10.1503/cmaj.131213 In 1993, evidence-informed health care was in its infancy. The term ...