September is  Polycystic Ovary Syndrome Awareness Month and is an excellent time to focus on the latest Cochrane evidence. Polycystic ovary syndrome (PCOS) is a common condition with three main features: menstrual cycle problems, such as irregular periods or having no periods (meaning the ovaries do not release eggs) high levels of "male" hormones...

While medical research is the best source of information on which to guide treatment of health issues, fraudulent studies are an issue. Such research can skew the evidence base and even lead to harm, as well as damage trust in the scientific process. Our Senior Research Integrity Editor, Lisa Bero, has recently written about this phenomenon in The...