Any long-term health condition tends to attract claims for cures that can easily be purchased over the internet, and diabetes is certainly well served in this area. The US Federal Trade Commission created an example website purporting to sell Glucobate (a non-existent product for diabetes) to highlight these web scams. Following any of the links on the site takes you to an explanatory page with a good list of scamspotting tips.
Even newspaper reports may not always be completely accurate, and it is good to have a sense of where information is being used correctly. NHS Headlines aims to give 'an unbiased and evidence-based analysis' of health stories that have made the news, explaining the facts behind the headlines.
Sense About Science is a charitable trust that equips people to make sense of scientific and medical claims in public discussion. They respond to requests for independent advice and questions on scientific evidence; chase down dodgy science and mobilise networks of scientists and community groups to counter it; and invite scientists to publish corrections of misreported research.
Dr Ben Goldacre is a writer, broadcaster and medical doctor who aims to unpick inaccurate scientific claims made by journalists, government reports and the like. He writes frequently on his Bad Science website, and previously wrote a weekly column of the same name in The Guardian.
Quackwatch is run by an American doctor, Stephen Barrett MD, and aims to be a guide to ‘quackery, health fraud and intelligent decisions'. As well as health information, the site provides more general info on internet and other scams.