Mike Adams is well known to skeptics. For many years he's run the Natural News website, which started out as a source of medical misinformation paired with a shop selling expensive, useless supplements. Some of his sillier posts included using a microscope to take zoomed-in photos of McDonald's chicken nuggets as a way to make them look unappealing.

One of the signatories to the NZD SOS declaration, Dr Matt Shelton, is an interesting case - he made the news a few weeks ago when he sent a text message to his patients saying: