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 ...

Acupuncture? Nicotine patches? Telephone therapy? Antidepressants? Cognitive behavioural therapy? Which work? Which have no effect? Which are dangerous? Confused? Over 40 Cochrane reviews analyse the ...

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 ...