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  • The ‘placebo effect’ can be described as a positive change seen after medical treatment which is caused solely by the patient’s psychological response to being given the treatment. In other read more...

  • A systematic review is a summary of the total research evidence available on a particular subject, designed to provide more reliable information than single studies. Specific methods are used to read more...

  • No medical intervention is risk free, but homeopathy as a treatment option is generally considered to have an excellent safety record1. But what is the evidence supporting this belief? When read more...

  • Observational studies (such as case reports and clinical outcome studies) are designed to explore and describe what happens to patients under normal conditions, rather than during the artificial read more...

  • Clinical trials are experiments carried out on patients to compare the effects of treatments under highly controlled conditions. One type of clinical trial – the randomised controlled trial (RCT) read more...